./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 b9a474490b26b75e32bf600e29c6590e80c0b8d4fd291d4937993f7ea2b0bba8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:21:06,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:21:06,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 16:21:06,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:21:06,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:21:06,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:21:06,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:21:06,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:21:06,201 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:21:06,202 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:21:06,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:21:06,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:21:06,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:21:06,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:21:06,203 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:21:06,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:21:06,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:21:06,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:21:06,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:21:06,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:21:06,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:21:06,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:21:06,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:21:06,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:21:06,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:21:06,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:21:06,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:21:06,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:21:06,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:21:06,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:21:06,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:21:06,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:21:06,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:21:06,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:21:06,207 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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 -> b9a474490b26b75e32bf600e29c6590e80c0b8d4fd291d4937993f7ea2b0bba8 [2024-11-13 16:21:06,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:21:06,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:21:06,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:21:06,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:21:06,602 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:21:06,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i Unable to find full path for "g++" [2024-11-13 16:21:08,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:21:09,135 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:21:09,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i [2024-11-13 16:21:09,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data/d658da198/c0b93d1ccd0e4dbda418aa05cd9d02dc/FLAGc961cae6a [2024-11-13 16:21:09,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data/d658da198/c0b93d1ccd0e4dbda418aa05cd9d02dc [2024-11-13 16:21:09,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:21:09,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:21:09,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:21:09,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:21:09,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:21:09,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a497371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09, skipping insertion in model container [2024-11-13 16:21:09,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:21:09,396 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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i[913,926] [2024-11-13 16:21:09,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:21:09,488 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:21:09,499 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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i[913,926] [2024-11-13 16:21:09,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:21:09,559 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:21:09,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09 WrapperNode [2024-11-13 16:21:09,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:21:09,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:21:09,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:21:09,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:21:09,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,631 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-13 16:21:09,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:21:09,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:21:09,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:21:09,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:21:09,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,680 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 16:21:09,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,711 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:21:09,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:21:09,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:21:09,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:21:09,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (1/1) ... [2024-11-13 16:21:09,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:21:09,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:09,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:09,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:21:09,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:21:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:21:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:21:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:21:09,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:21:09,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:21:09,894 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:21:09,897 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:21:10,446 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:21:10,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:21:10,458 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:21:10,458 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:21:10,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:10 BoogieIcfgContainer [2024-11-13 16:21:10,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:21:10,462 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:21:10,462 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:21:10,467 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:21:10,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:21:09" (1/3) ... [2024-11-13 16:21:10,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1781e757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:21:10, skipping insertion in model container [2024-11-13 16:21:10,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:09" (2/3) ... [2024-11-13 16:21:10,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1781e757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:21:10, skipping insertion in model container [2024-11-13 16:21:10,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:10" (3/3) ... [2024-11-13 16:21:10,470 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-42.i [2024-11-13 16:21:10,489 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:21:10,491 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-42.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:21:10,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:21:10,584 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;@47e5e628, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:21:10,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:21:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:21:10,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 16:21:10,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:10,607 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:21:10,607 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:10,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:10,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1368639063, now seen corresponding path program 1 times [2024-11-13 16:21:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:21:10,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828854847] [2024-11-13 16:21:10,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:10,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:21:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:10,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:21:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:10,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:21:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:21:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:21:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:21:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:21:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:21:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:21:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:21:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:21:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:21:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 16:21:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:21:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:21:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:21:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 16:21:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:21:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 16:21:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 16:21:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 16:21:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:21:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:21:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 16:21:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 16:21:11,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:21:11,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828854847] [2024-11-13 16:21:11,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828854847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:11,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:11,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:21:11,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421189814] [2024-11-13 16:21:11,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:11,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:21:11,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:21:11,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:21:11,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:21:11,268 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 16:21:11,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:11,317 INFO L93 Difference]: Finished difference Result 125 states and 221 transitions. [2024-11-13 16:21:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:21:11,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-13 16:21:11,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:11,333 INFO L225 Difference]: With dead ends: 125 [2024-11-13 16:21:11,333 INFO L226 Difference]: Without dead ends: 62 [2024-11-13 16:21:11,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 16:21:11,345 INFO L432 NwaCegarLoop]: 95 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, 95 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 16:21:11,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:21:11,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-13 16:21:11,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-13 16:21:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:21:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2024-11-13 16:21:11,418 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 144 [2024-11-13 16:21:11,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:11,419 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2024-11-13 16:21:11,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 16:21:11,419 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-13 16:21:11,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 16:21:11,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:11,426 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:21:11,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:21:11,426 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:11,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:11,431 INFO L85 PathProgramCache]: Analyzing trace with hash 9378411, now seen corresponding path program 1 times [2024-11-13 16:21:11,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:21:11,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043316683] [2024-11-13 16:21:11,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:11,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:21:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 16:21:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 16:21:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 16:21:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 16:21:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 16:21:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 16:21:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 16:21:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 16:21:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 16:21:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 16:21:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 16:21:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 16:21:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 16:21:11,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 16:21:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 16:21:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-13 16:21:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 16:21:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 16:21:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-13 16:21:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-13 16:21:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 16:21:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-13 16:21:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-13 16:21:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 16:21:11,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:21:11,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043316683] [2024-11-13 16:21:11,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043316683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:11,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:11,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:21:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107614394] [2024-11-13 16:21:11,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:11,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:21:11,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:21:11,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:21:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:11,944 INFO L87 Difference]: Start difference. First operand 62 states and 95 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:21:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:12,051 INFO L93 Difference]: Finished difference Result 137 states and 211 transitions. [2024-11-13 16:21:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:21:12,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2024-11-13 16:21:12,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:12,054 INFO L225 Difference]: With dead ends: 137 [2024-11-13 16:21:12,054 INFO L226 Difference]: Without dead ends: 78 [2024-11-13 16:21:12,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:12,056 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 21 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:12,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 175 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:21:12,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-13 16:21:12,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2024-11-13 16:21:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.380952380952381) internal successors, (58), 42 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:21:12,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-11-13 16:21:12,069 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 144 [2024-11-13 16:21:12,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:12,071 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-11-13 16:21:12,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:21:12,071 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-11-13 16:21:12,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 16:21:12,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:12,074 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:21:12,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:21:12,074 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:12,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:12,075 INFO L85 PathProgramCache]: Analyzing trace with hash -339979981, now seen corresponding path program 1 times [2024-11-13 16:21:12,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:21:12,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308759386] [2024-11-13 16:21:12,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:12,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:21:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:21:12,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [167712890] [2024-11-13 16:21:12,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:12,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:12,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:12,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 16:21:12,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 16:21:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:12,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:21:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:21:12,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:21:12,922 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 16:21:12,923 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 16:21:12,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 16:21:13,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 16:21:13,129 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 16:21:13,276 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 16:21:13,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:21:13 BoogieIcfgContainer [2024-11-13 16:21:13,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 16:21:13,282 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:21:13,282 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:21:13,282 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:21:13,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:10" (3/4) ... [2024-11-13 16:21:13,288 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:21:13,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:21:13,290 INFO L158 Benchmark]: Toolchain (without parser) took 4120.50ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 37.5MB in the end (delta: 55.1MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-13 16:21:13,290 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 75.3MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:13,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.05ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:21:13,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.59ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:13,292 INFO L158 Benchmark]: Boogie Preprocessor took 87.25ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 71.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:13,292 INFO L158 Benchmark]: RCFGBuilder took 735.62ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 52.4MB in the end (delta: 19.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:21:13,293 INFO L158 Benchmark]: TraceAbstraction took 2819.96ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 38.3MB in the end (delta: 13.3MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-13 16:21:13,293 INFO L158 Benchmark]: Witness Printer took 6.51ms. Allocated memory is still 117.4MB. Free memory was 38.3MB in the beginning and 37.5MB in the end (delta: 824.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:21:13,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 75.3MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.05ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.59ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.25ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 71.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 735.62ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 52.4MB in the end (delta: 19.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2819.96ms. Allocated memory is still 117.4MB. Free memory was 51.7MB in the beginning and 38.3MB in the end (delta: 13.3MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Witness Printer took 6.51ms. Allocated memory is still 117.4MB. Free memory was 38.3MB in the beginning and 37.5MB in the end (delta: 824.0kB). 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 130, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 85, overapproximation of someBinaryFLOATComparisonOperation at line 117, overapproximation of someBinaryFLOATComparisonOperation at line 119, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticFLOAToperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_3 = -200; [L25] signed short int var_1_4 = 2; [L26] signed char var_1_5 = -8; [L27] unsigned char var_1_6 = 10; [L28] unsigned char var_1_7 = 128; [L29] unsigned char var_1_8 = 1; [L30] float var_1_9 = 9999999999.5; [L31] unsigned char var_1_10 = 1; [L32] unsigned char var_1_11 = 0; [L33] unsigned char var_1_12 = 0; [L34] signed short int var_1_13 = 200; [L35] float var_1_14 = -0.8; [L36] float var_1_15 = 127.25; [L37] float var_1_16 = 3.5; [L38] unsigned short int var_1_17 = 16; [L39] unsigned short int var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 0; VAL [isInitial=0, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-200, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L93] var_1_3 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_3 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L94] RET assume_abort_if_not(var_1_3 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L95] CALL assume_abort_if_not(var_1_3 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L95] RET assume_abort_if_not(var_1_3 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=2, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L96] var_1_4 = __VERIFIER_nondet_short() [L97] CALL assume_abort_if_not(var_1_4 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L97] RET assume_abort_if_not(var_1_4 >= -32767) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L98] CALL assume_abort_if_not(var_1_4 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L98] RET assume_abort_if_not(var_1_4 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=-8, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L99] var_1_5 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L100] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L101] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L101] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=128, var_1_8=1, var_1_9=19999999999/2] [L102] var_1_7 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_7 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1, var_1_9=19999999999/2] [L103] RET assume_abort_if_not(var_1_7 >= 127) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1, var_1_9=19999999999/2] [L104] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1, var_1_9=19999999999/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1, var_1_9=19999999999/2] [L104] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1, var_1_9=19999999999/2] [L105] var_1_9 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L106] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L107] var_1_10 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L108] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L109] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L109] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=0, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L110] var_1_11 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L111] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L112] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L112] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L113] var_1_12 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L114] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L115] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L115] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_15=509/4, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L116] var_1_15 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L117] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_16=7/2, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L118] var_1_16 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L119] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=100, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L120] var_1_18 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L121] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L122] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L122] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L123] var_1_20 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L124] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L125] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L125] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=16, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L138] RET updateVariables() [L139] CALL step() [L45] COND TRUE \read(var_1_2) [L46] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=10, var_1_7=383, var_1_8=1] [L52] COND TRUE var_1_5 >= -2 [L53] var_1_6 = (var_1_7 - 100) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=1] [L55] COND FALSE !((49.5f <= var_1_9) && (var_1_2 && var_1_10)) [L62] var_1_8 = var_1_12 VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=200, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L64] COND FALSE !(var_1_6 >= (var_1_1 / var_1_7)) [L71] var_1_13 = var_1_3 VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L73] COND TRUE (((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || var_1_2 VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L74] COND TRUE var_1_13 <= var_1_3 [L75] var_1_14 = (var_1_15 + var_1_16) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=16, var_1_18=65536, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L82] COND TRUE var_1_4 > var_1_3 [L83] var_1_17 = ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=65536, var_1_19=1, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L85] COND TRUE var_1_9 <= var_1_15 [L86] var_1_19 = (var_1_12 || var_1_20) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=65536, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return ((((((var_1_2 ? (var_1_1 == ((signed short int) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) >= var_1_3) ? (var_1_1 == ((signed short int) var_1_5)) : 1)) && ((var_1_5 >= -2) ? (var_1_6 == ((unsigned char) (var_1_7 - 100))) : 1)) && (((49.5f <= var_1_9) && (var_1_2 && var_1_10)) ? ((var_1_1 < var_1_7) ? (var_1_8 == ((unsigned char) (var_1_2 || var_1_11))) : (var_1_8 == ((unsigned char) var_1_11))) : (var_1_8 == ((unsigned char) var_1_12)))) && ((var_1_6 >= (var_1_1 / var_1_7)) ? ((var_1_1 != ((((((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) > (var_1_5)) ? (((((var_1_3) > (var_1_6)) ? (var_1_3) : (var_1_6)))) : (var_1_5)))) ? (var_1_13 == ((signed short int) var_1_7)) : (var_1_13 == ((signed short int) var_1_6))) : (var_1_13 == ((signed short int) var_1_3)))) && (((((((var_1_13) < (8)) ? (var_1_13) : (8))) <= var_1_5) || var_1_2) ? ((var_1_13 <= var_1_3) ? (var_1_14 == ((float) (var_1_15 + var_1_16))) : (var_1_14 == ((float) var_1_16))) : (var_1_14 == ((float) var_1_16)))) && ((var_1_4 > var_1_3) ? (var_1_17 == ((unsigned short int) ((((25) > ((var_1_6 + var_1_18))) ? (25) : ((var_1_6 + var_1_18)))))) : 1)) && ((var_1_9 <= var_1_15) ? (var_1_19 == ((unsigned char) (var_1_12 || var_1_20))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=65536, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=65536, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-255, var_1_11=1, var_1_12=0, var_1_13=-32767, var_1_17=27, var_1_18=65536, var_1_19=0, var_1_1=3557, var_1_20=0, var_1_2=1, var_1_3=-32767, var_1_4=3557, var_1_5=127, var_1_6=27, var_1_7=383, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 270 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 187 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 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 16:21:13,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 b9a474490b26b75e32bf600e29c6590e80c0b8d4fd291d4937993f7ea2b0bba8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:21:16,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:21:16,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 16:21:16,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:21:16,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:21:16,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:21:16,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:21:16,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:21:16,428 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:21:16,429 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:21:16,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:21:16,429 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:21:16,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:21:16,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:21:16,430 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:21:16,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:21:16,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:21:16,431 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:21:16,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:21:16,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:21:16,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:21:16,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:21:16,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:21:16,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:21:16,432 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:21:16,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:21:16,432 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:21:16,432 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:21:16,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:21:16,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:21:16,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:21:16,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:21:16,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:21:16,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:21:16,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:21:16,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:21:16,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:21:16,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:21:16,436 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 16:21:16,436 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:21:16,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:21:16,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:21:16,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:21:16,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:21:16,436 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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 -> b9a474490b26b75e32bf600e29c6590e80c0b8d4fd291d4937993f7ea2b0bba8 [2024-11-13 16:21:16,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:21:16,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:21:16,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:21:16,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:21:16,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:21:16,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i Unable to find full path for "g++" [2024-11-13 16:21:19,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:21:19,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:21:19,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i [2024-11-13 16:21:19,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data/d97ab82a4/7b037436220a40c3b2bd8e9ae1c3347c/FLAG462c2cdce [2024-11-13 16:21:19,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/data/d97ab82a4/7b037436220a40c3b2bd8e9ae1c3347c [2024-11-13 16:21:19,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:21:19,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:21:19,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:21:19,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:21:19,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:21:19,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:19,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dae00d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19, skipping insertion in model container [2024-11-13 16:21:19,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:19,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:21:19,777 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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i[913,926] [2024-11-13 16:21:19,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:21:19,910 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:21:19,929 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_54bd231b-b09d-48c8-9ac0-d15c4b007e10/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-42.i[913,926] [2024-11-13 16:21:19,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:21:19,998 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:21:19,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19 WrapperNode [2024-11-13 16:21:19,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:21:20,000 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:21:20,000 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:21:20,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:21:20,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,053 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-11-13 16:21:20,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:21:20,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:21:20,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:21:20,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:21:20,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,076 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,102 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 16:21:20,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:21:20,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:21:20,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:21:20,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:21:20,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (1/1) ... [2024-11-13 16:21:20,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:21:20,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:21:20,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:21:20,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:21:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:21:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 16:21:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:21:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:21:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:21:20,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:21:20,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:21:20,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:21:20,930 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 16:21:20,931 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:21:20,944 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:21:20,945 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:21:20,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:20 BoogieIcfgContainer [2024-11-13 16:21:20,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:21:20,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:21:20,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:21:20,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:21:20,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:21:19" (1/3) ... [2024-11-13 16:21:20,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f11ede1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:21:20, skipping insertion in model container [2024-11-13 16:21:20,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:21:19" (2/3) ... [2024-11-13 16:21:20,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f11ede1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:21:20, skipping insertion in model container [2024-11-13 16:21:20,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:21:20" (3/3) ... [2024-11-13 16:21:20,960 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-42.i [2024-11-13 16:21:20,978 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:21:20,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_normal_file-42.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:21:21,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:21:21,062 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;@634617f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:21:21,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:21:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:21:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 16:21:21,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:21,082 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:21:21,083 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:21,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:21,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1368639063, now seen corresponding path program 1 times [2024-11-13 16:21:21,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:21,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902080855] [2024-11-13 16:21:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:21,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 16:21:21,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:21,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:21,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:21,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:21:21,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2024-11-13 16:21:21,604 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:21,608 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:21,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902080855] [2024-11-13 16:21:21,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902080855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:21,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:21,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 16:21:21,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950377938] [2024-11-13 16:21:21,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:21,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 16:21:21,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:21,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 16:21:21,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 16:21:21,655 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 16:21:21,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:21,687 INFO L93 Difference]: Finished difference Result 125 states and 221 transitions. [2024-11-13 16:21:21,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 16:21:21,689 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-13 16:21:21,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:21,697 INFO L225 Difference]: With dead ends: 125 [2024-11-13 16:21:21,697 INFO L226 Difference]: Without dead ends: 62 [2024-11-13 16:21:21,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 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 16:21:21,711 INFO L432 NwaCegarLoop]: 95 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, 95 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 16:21:21,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 16:21:21,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-13 16:21:21,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-13 16:21:21,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:21:21,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2024-11-13 16:21:21,786 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 144 [2024-11-13 16:21:21,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:21,787 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2024-11-13 16:21:21,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-13 16:21:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-13 16:21:21,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 16:21:21,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:21,791 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:21:21,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:21,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:21,998 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:21,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:21,999 INFO L85 PathProgramCache]: Analyzing trace with hash 9378411, now seen corresponding path program 1 times [2024-11-13 16:21:22,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:22,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440609979] [2024-11-13 16:21:22,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:22,001 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 16:21:22,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:22,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:22,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:22,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:21:22,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:21:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-13 16:21:22,468 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 16:21:22,469 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 16:21:22,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440609979] [2024-11-13 16:21:22,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440609979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:21:22,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:21:22,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:21:22,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818662371] [2024-11-13 16:21:22,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:21:22,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:21:22,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 16:21:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:21:22,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:22,476 INFO L87 Difference]: Start difference. First operand 62 states and 95 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:21:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:21:22,715 INFO L93 Difference]: Finished difference Result 137 states and 211 transitions. [2024-11-13 16:21:22,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:21:22,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2024-11-13 16:21:22,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:21:22,719 INFO L225 Difference]: With dead ends: 137 [2024-11-13 16:21:22,719 INFO L226 Difference]: Without dead ends: 78 [2024-11-13 16:21:22,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:21:22,721 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 21 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:21:22,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 174 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 16:21:22,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-13 16:21:22,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2024-11-13 16:21:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 42 states have (on average 1.380952380952381) internal successors, (58), 42 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-13 16:21:22,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2024-11-13 16:21:22,737 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 144 [2024-11-13 16:21:22,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:21:22,740 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2024-11-13 16:21:22,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-13 16:21:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2024-11-13 16:21:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-13 16:21:22,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:21:22,744 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:21:22,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 16:21:22,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:22,948 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:21:22,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:21:22,949 INFO L85 PathProgramCache]: Analyzing trace with hash -339979981, now seen corresponding path program 1 times [2024-11-13 16:21:22,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 16:21:22,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068171509] [2024-11-13 16:21:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:21:22,950 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 16:21:22,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 16:21:22,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/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 16:21:22,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54bd231b-b09d-48c8-9ac0-d15c4b007e10/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 16:21:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:21:23,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:21:23,280 INFO L278 TraceCheckSpWp]: Computing forward predicates...