./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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 bd298ce534de00beea346fb305edb551963d6d5842d9344f8b63a23a6d900658 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:06:13,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:06:13,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:06:13,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:06:13,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:06:13,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:06:13,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:06:13,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:06:13,728 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:06:13,728 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:06:13,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:06:13,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:06:13,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:06:13,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:06:13,730 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:06:13,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:06:13,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:06:13,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:06:13,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:06:13,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:06:13,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:06:13,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:06:13,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:06:13,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:06:13,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:06:13,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:06:13,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:06:13,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:06:13,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:06:13,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:06:13,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:06:13,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:06:13,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:06:13,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:06:13,735 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:06:13,735 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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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 -> bd298ce534de00beea346fb305edb551963d6d5842d9344f8b63a23a6d900658 [2024-11-13 14:06:14,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:06:14,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:06:14,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:06:14,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:06:14,057 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:06:14,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i Unable to find full path for "g++" [2024-11-13 14:06:15,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:06:16,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:06:16,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i [2024-11-13 14:06:16,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data/7297851f7/7005683590824453b81e6ddca6eb0c18/FLAG73107e31d [2024-11-13 14:06:16,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data/7297851f7/7005683590824453b81e6ddca6eb0c18 [2024-11-13 14:06:16,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:06:16,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:06:16,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:06:16,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:06:16,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:06:16,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7a2615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16, skipping insertion in model container [2024-11-13 14:06:16,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:06:16,340 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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i[915,928] [2024-11-13 14:06:16,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:06:16,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:06:16,435 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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i[915,928] [2024-11-13 14:06:16,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:06:16,489 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:06:16,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16 WrapperNode [2024-11-13 14:06:16,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:06:16,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:06:16,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:06:16,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:06:16,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,533 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-11-13 14:06:16,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:06:16,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:06:16,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:06:16,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:06:16,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,551 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,569 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:06:16,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:06:16,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:06:16,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:06:16,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:06:16,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (1/1) ... [2024-11-13 14:06:16,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:06:16,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:16,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:16,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:06:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:06:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:06:16,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:06:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:06:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:06:16,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:06:16,741 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:06:16,743 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:06:16,982 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 14:06:16,982 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:06:16,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:06:16,992 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:06:16,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:06:16 BoogieIcfgContainer [2024-11-13 14:06:16,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:06:16,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:06:16,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:06:17,000 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:06:17,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:06:16" (1/3) ... [2024-11-13 14:06:17,001 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1953aba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:06:17, skipping insertion in model container [2024-11-13 14:06:17,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:16" (2/3) ... [2024-11-13 14:06:17,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1953aba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:06:17, skipping insertion in model container [2024-11-13 14:06:17,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:06:16" (3/3) ... [2024-11-13 14:06:17,003 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-28.i [2024-11-13 14:06:17,020 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:06:17,023 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-28.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:06:17,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:06:17,097 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;@1bfa5ae0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:06:17,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:06:17,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 14:06:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 14:06:17,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:06:17,112 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:06:17,113 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:06:17,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:17,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1762908014, now seen corresponding path program 1 times [2024-11-13 14:06:17,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:06:17,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201414400] [2024-11-13 14:06:17,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:17,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:06:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 14:06:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 14:06:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 14:06:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 14:06:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 14:06:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 14:06:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:06:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 14:06:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 14:06:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 14:06:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 14:06:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:06:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-13 14:06:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-13 14:06:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-13 14:06:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 14:06:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-13 14:06:17,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:06:17,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201414400] [2024-11-13 14:06:17,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201414400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:06:17,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:06:17,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:06:17,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616254709] [2024-11-13 14:06:17,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:06:17,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:06:17,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:06:17,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:06:17,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:06:17,591 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 40 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-13 14:06:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:06:17,621 INFO L93 Difference]: Finished difference Result 109 states and 178 transitions. [2024-11-13 14:06:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:06:17,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2024-11-13 14:06:17,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:06:17,632 INFO L225 Difference]: With dead ends: 109 [2024-11-13 14:06:17,633 INFO L226 Difference]: Without dead ends: 54 [2024-11-13 14:06:17,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:06:17,642 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 14:06:17,643 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 14:06:17,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-13 14:06:17,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-13 14:06:17,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 14:06:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2024-11-13 14:06:17,690 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 106 [2024-11-13 14:06:17,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:06:17,690 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2024-11-13 14:06:17,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-13 14:06:17,691 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2024-11-13 14:06:17,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 14:06:17,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:06:17,693 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:06:17,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:06:17,694 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:06:17,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:17,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1520015890, now seen corresponding path program 1 times [2024-11-13 14:06:17,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:06:17,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845179783] [2024-11-13 14:06:17,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:17,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:06:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:17,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:06:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:06:17,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:06:17,988 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:06:17,989 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:06:17,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:06:17,994 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 14:06:18,066 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:06:18,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:06:18 BoogieIcfgContainer [2024-11-13 14:06:18,072 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:06:18,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:06:18,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:06:18,073 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:06:18,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:06:16" (3/4) ... [2024-11-13 14:06:18,079 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:06:18,080 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:06:18,085 INFO L158 Benchmark]: Toolchain (without parser) took 1932.96ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 62.9MB in the end (delta: 29.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-13 14:06:18,085 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:06:18,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.52ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:06:18,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.76ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:06:18,089 INFO L158 Benchmark]: Boogie Preprocessor took 63.32ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:06:18,090 INFO L158 Benchmark]: RCFGBuilder took 394.31ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:06:18,090 INFO L158 Benchmark]: TraceAbstraction took 1076.88ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 63.5MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:06:18,090 INFO L158 Benchmark]: Witness Printer took 7.87ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 62.9MB in the end (delta: 563.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:06:18,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.52ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.76ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.32ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 394.31ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 61.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1076.88ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 63.5MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.87ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 62.9MB in the end (delta: 563.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 73, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 41, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L23] float var_1_2 = 63.75; [L24] float var_1_3 = 255.75; [L25] signed char var_1_5 = 10; [L26] signed char var_1_6 = 4; [L27] signed char var_1_7 = -10; [L28] float var_1_8 = 4.75; [L29] float var_1_9 = 99.5; [L30] float var_1_10 = 255.9; [L31] float var_1_11 = 24.85; [L32] signed long int var_1_12 = -2; [L33] signed long int var_1_13 = 1629954775; [L34] signed long int var_1_14 = 1; [L35] signed long int var_1_15 = 1928642731; VAL [isInitial=0, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_2=255/4, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L91] isInitial = 1 [L92] FCALL initially() [L93] COND TRUE 1 [L94] FCALL updateLastVariables() [L95] CALL updateVariables() [L57] var_1_2 = __VERIFIER_nondet_float() [L58] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L58] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_3=1023/4, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L59] var_1_3 = __VERIFIER_nondet_float() [L60] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L60] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=10, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L61] var_1_5 = __VERIFIER_nondet_char() [L62] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L62] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L63] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=4, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L64] var_1_6 = __VERIFIER_nondet_char() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L66] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-10, var_1_8=19/4, var_1_9=199/2] [L67] var_1_7 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4, var_1_9=199/2] [L68] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4, var_1_9=199/2] [L69] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4, var_1_9=199/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4, var_1_9=199/2] [L69] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4, var_1_9=199/2] [L70] var_1_9 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L71] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2559/10, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L72] var_1_10 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L73] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1629954775, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L74] var_1_13 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L75] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L76] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L76] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L77] var_1_14 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L78] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L79] CALL assume_abort_if_not(var_1_14 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L79] RET assume_abort_if_not(var_1_14 <= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=1928642731, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L81] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L95] RET updateVariables() [L96] CALL step() [L39] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=19/4] [L40] COND TRUE stepLocal_0 < var_1_6 [L41] var_1_8 = ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=497/20, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] [L43] var_1_11 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) [L44] signed long int stepLocal_1 = (((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)); VAL [isInitial=1, stepLocal_1=-1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] [L45] EXPR var_1_6 | 5 VAL [isInitial=1, stepLocal_1=-1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=-2, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] [L45] COND FALSE !((var_1_6 | 5) <= stepLocal_1) [L48] var_1_12 = 4 VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=4, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] [L50] COND TRUE (var_1_2 - var_1_3) <= (- var_1_11) [L51] var_1_1 = (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=4, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=-1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] [L96] RET step() [L97] CALL, EXPR property() [L87] EXPR (((((var_1_2 - var_1_3) <= (- var_1_11)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) 4))) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=4, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=-1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] [L87-L88] return (((((var_1_2 - var_1_3) <= (- var_1_11)) ? (var_1_1 == ((signed char) (((((var_1_5 - var_1_6)) < (var_1_7)) ? ((var_1_5 - var_1_6)) : (var_1_7))))) : (var_1_1 == ((signed char) var_1_5))) && ((-4 < var_1_6) ? (var_1_8 == ((float) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1)) && (var_1_11 == ((float) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10)))))) && (((var_1_6 | 5) <= ((((var_1_5) > (var_1_7)) ? (var_1_5) : (var_1_7)))) ? (var_1_12 == ((signed long int) (((((var_1_6) < ((var_1_13 - var_1_14))) ? (var_1_6) : ((var_1_13 - var_1_14)))) - (var_1_15 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))) : (var_1_12 == ((signed long int) 4))) ; [L97] RET, EXPR property() [L97] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=4, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=-1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] [L19] reach_error() VAL [isInitial=1, var_1_10=2147483651, var_1_11=2147483651, var_1_12=4, var_1_13=1073741822, var_1_14=1073741823, var_1_15=2147483646, var_1_1=-1, var_1_5=-1, var_1_6=0, var_1_7=-1, var_1_8=2147483651, var_1_9=2147483651] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 16, 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, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 480/480 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:06:18,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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 bd298ce534de00beea346fb305edb551963d6d5842d9344f8b63a23a6d900658 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:06:20,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:06:20,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:06:20,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:06:20,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:06:20,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:06:20,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:06:20,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:06:20,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:06:20,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:06:20,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:06:20,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:06:20,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:06:20,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:06:20,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:06:20,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:06:20,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:06:20,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:06:20,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:06:20,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:06:20,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:06:20,891 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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/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 -> bd298ce534de00beea346fb305edb551963d6d5842d9344f8b63a23a6d900658 [2024-11-13 14:06:21,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:06:21,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:06:21,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:06:21,244 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:06:21,244 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:06:21,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i Unable to find full path for "g++" [2024-11-13 14:06:23,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:06:23,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:06:23,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i [2024-11-13 14:06:23,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data/461953110/ecf6593d4ea84a3f8359620fee8bfd5f/FLAG1f929f338 [2024-11-13 14:06:23,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/data/461953110/ecf6593d4ea84a3f8359620fee8bfd5f [2024-11-13 14:06:23,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:06:23,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:06:23,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:06:23,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:06:23,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:06:23,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e5f661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23, skipping insertion in model container [2024-11-13 14:06:23,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,444 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:06:23,612 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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i[915,928] [2024-11-13 14:06:23,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:06:23,698 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:06:23,711 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_e1dc647c-d743-4429-ad4b-91c2f62e87cd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-28.i[915,928] [2024-11-13 14:06:23,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:06:23,774 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:06:23,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23 WrapperNode [2024-11-13 14:06:23,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:06:23,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:06:23,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:06:23,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:06:23,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,836 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-13 14:06:23,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:06:23,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:06:23,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:06:23,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:06:23,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,870 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:06:23,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:06:23,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:06:23,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:06:23,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:06:23,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (1/1) ... [2024-11-13 14:06:23,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:06:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:06:23,947 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:06:23,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:06:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:06:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:06:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:06:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:06:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:06:23,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:06:24,079 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:06:24,081 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:06:24,433 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 14:06:24,434 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:06:24,449 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:06:24,451 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 14:06:24,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:06:24 BoogieIcfgContainer [2024-11-13 14:06:24,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:06:24,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:06:24,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:06:24,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:06:24,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:06:23" (1/3) ... [2024-11-13 14:06:24,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a134bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:06:24, skipping insertion in model container [2024-11-13 14:06:24,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:06:23" (2/3) ... [2024-11-13 14:06:24,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a134bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:06:24, skipping insertion in model container [2024-11-13 14:06:24,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:06:24" (3/3) ... [2024-11-13 14:06:24,466 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-28.i [2024-11-13 14:06:24,484 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:06:24,487 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-28.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 14:06:24,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:06:24,586 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;@4e98a5b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:06:24,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:06:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 14:06:24,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 14:06:24,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:06:24,603 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:06:24,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:06:24,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:24,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1948361147, now seen corresponding path program 1 times [2024-11-13 14:06:24,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:06:24,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548029131] [2024-11-13 14:06:24,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:24,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:06:24,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:06:24,634 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:06:24,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 14:06:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:24,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:06:24,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:06:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-13 14:06:24,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:06:24,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:06:24,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548029131] [2024-11-13 14:06:24,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548029131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:06:24,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:06:24,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:06:24,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453915164] [2024-11-13 14:06:24,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:06:24,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:06:24,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:06:25,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:06:25,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:06:25,010 INFO L87 Difference]: Start difference. First operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 31 states have internal predecessors, (38), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-13 14:06:25,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:06:25,043 INFO L93 Difference]: Finished difference Result 91 states and 150 transitions. [2024-11-13 14:06:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:06:25,047 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2024-11-13 14:06:25,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:06:25,055 INFO L225 Difference]: With dead ends: 91 [2024-11-13 14:06:25,055 INFO L226 Difference]: Without dead ends: 45 [2024-11-13 14:06:25,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:06:25,061 INFO L432 NwaCegarLoop]: 63 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, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:06:25,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:06:25,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-13 14:06:25,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-13 14:06:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-13 14:06:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-13 14:06:25,107 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 103 [2024-11-13 14:06:25,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:06:25,107 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-13 14:06:25,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-13 14:06:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-13 14:06:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 14:06:25,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:06:25,111 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:06:25,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 14:06:25,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:06:25,315 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:06:25,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:06:25,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2063442747, now seen corresponding path program 1 times [2024-11-13 14:06:25,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:06:25,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417292] [2024-11-13 14:06:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:06:25,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:06:25,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:06:25,319 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 14:06:25,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1dc647c-d743-4429-ad4b-91c2f62e87cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 14:06:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:06:25,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:06:25,643 INFO L278 TraceCheckSpWp]: Computing forward predicates...