./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC --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 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:49:46,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:49:46,274 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:49:46,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:49:46,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:49:46,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:49:46,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:49:46,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:49:46,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:49:46,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:49:46,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:49:46,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:49:46,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:49:46,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:49:46,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:49:46,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:49:46,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:49:46,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:49:46,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:49:46,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:49:46,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:49:46,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:49:46,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:49:46,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:49:46,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:49:46,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:49:46,337 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:49:46,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:49:46,338 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:49:46,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:49:46,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:49:46,338 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:49:46,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:49:46,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:49:46,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:49:46,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:49:46,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:49:46,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:49:46,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:49:46,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:49:46,340 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:49:46,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:49:46,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:49:46,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:49:46,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:49:46,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:49:46,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:49:46,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:49:46,341 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_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC 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 -> 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 [2024-11-24 00:49:46,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:49:46,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:49:46,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:49:46,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:49:46,775 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:49:46,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-24 00:49:49,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/e42619368/88dda1b59ee440c0b7e6e6643dcdc5c0/FLAG133ba2c22 [2024-11-24 00:49:50,106 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:49:50,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-24 00:49:50,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/e42619368/88dda1b59ee440c0b7e6e6643dcdc5c0/FLAG133ba2c22 [2024-11-24 00:49:50,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/e42619368/88dda1b59ee440c0b7e6e6643dcdc5c0 [2024-11-24 00:49:50,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:49:50,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:49:50,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:49:50,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:49:50,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:49:50,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217310cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50, skipping insertion in model container [2024-11-24 00:49:50,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:49:50,357 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_ca883a00-5958-4638-be6f-e987c451d6d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2024-11-24 00:49:50,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:49:50,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:49:50,470 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_ca883a00-5958-4638-be6f-e987c451d6d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2024-11-24 00:49:50,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:49:50,522 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:49:50,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50 WrapperNode [2024-11-24 00:49:50,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:49:50,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:49:50,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:49:50,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:49:50,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,592 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2024-11-24 00:49:50,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:49:50,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:49:50,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:49:50,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:49:50,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,635 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]. [2024-11-24 00:49:50,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:49:50,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:49:50,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:49:50,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:49:50,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (1/1) ... [2024-11-24 00:49:50,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:49:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:49:50,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:49:50,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:49:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:49:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:49:50,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:49:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:49:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:49:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:49:50,853 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:49:50,856 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:49:51,525 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-24 00:49:51,525 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:49:51,538 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:49:51,538 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:49:51,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:49:51 BoogieIcfgContainer [2024-11-24 00:49:51,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:49:51,542 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:49:51,543 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:49:51,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:49:51,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:49:50" (1/3) ... [2024-11-24 00:49:51,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ea626c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:49:51, skipping insertion in model container [2024-11-24 00:49:51,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:49:50" (2/3) ... [2024-11-24 00:49:51,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ea626c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:49:51, skipping insertion in model container [2024-11-24 00:49:51,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:49:51" (3/3) ... [2024-11-24 00:49:51,558 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-46.i [2024-11-24 00:49:51,579 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:49:51,581 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-46.i that has 2 procedures, 71 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:49:51,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:49:51,731 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;@58df36c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:49:51,732 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:49:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 00:49:51,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:49:51,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:49:51,756 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:49:51,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:49:51,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:49:51,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1923436283, now seen corresponding path program 1 times [2024-11-24 00:49:51,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:49:51,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952237659] [2024-11-24 00:49:51,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:51,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:49:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:49:52,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:49:52,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952237659] [2024-11-24 00:49:52,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952237659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:49:52,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881607416] [2024-11-24 00:49:52,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:52,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:49:52,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:49:52,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:49:52,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:49:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:52,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:49:52,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:49:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-24 00:49:52,533 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:49:52,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881607416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:49:52,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:49:52,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:49:52,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016395582] [2024-11-24 00:49:52,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:49:52,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:49:52,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:49:52,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:49:52,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:49:52,578 INFO L87 Difference]: Start difference. First operand has 71 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 50 states have internal predecessors, (70), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:49:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:49:52,617 INFO L93 Difference]: Finished difference Result 135 states and 229 transitions. [2024-11-24 00:49:52,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:49:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-24 00:49:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:49:52,628 INFO L225 Difference]: With dead ends: 135 [2024-11-24 00:49:52,628 INFO L226 Difference]: Without dead ends: 67 [2024-11-24 00:49:52,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:49:52,640 INFO L435 NwaCegarLoop]: 100 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, 100 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 [2024-11-24 00:49:52,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:49:52,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-24 00:49:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-24 00:49:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 00:49:52,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 100 transitions. [2024-11-24 00:49:52,697 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 100 transitions. Word has length 124 [2024-11-24 00:49:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:49:52,699 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 100 transitions. [2024-11-24 00:49:52,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:49:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-24 00:49:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:49:52,706 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:49:52,706 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:49:52,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:49:52,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:49:52,907 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:49:52,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:49:52,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2147220988, now seen corresponding path program 1 times [2024-11-24 00:49:52,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:49:52,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864122275] [2024-11-24 00:49:52,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:49:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 00:50:16,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:50:16,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864122275] [2024-11-24 00:50:16,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864122275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:50:16,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:50:16,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 00:50:16,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816974588] [2024-11-24 00:50:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:50:16,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:50:16,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:50:16,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:50:16,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:50:16,956 INFO L87 Difference]: Start difference. First operand 67 states and 100 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 00:50:21,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:50:21,909 INFO L93 Difference]: Finished difference Result 222 states and 323 transitions. [2024-11-24 00:50:21,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:50:21,910 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 125 [2024-11-24 00:50:21,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:50:21,912 INFO L225 Difference]: With dead ends: 222 [2024-11-24 00:50:21,913 INFO L226 Difference]: Without dead ends: 158 [2024-11-24 00:50:21,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:50:21,914 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 124 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:50:21,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 486 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-24 00:50:21,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-24 00:50:21,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 125. [2024-11-24 00:50:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 95 states have internal predecessors, (132), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-24 00:50:21,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 186 transitions. [2024-11-24 00:50:21,940 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 186 transitions. Word has length 125 [2024-11-24 00:50:21,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:50:21,941 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 186 transitions. [2024-11-24 00:50:21,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 00:50:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2024-11-24 00:50:21,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:50:21,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:21,943 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:50:21,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:50:21,944 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:21,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:21,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1136629058, now seen corresponding path program 1 times [2024-11-24 00:50:21,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:50:21,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858251907] [2024-11-24 00:50:21,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:21,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:50:22,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804439409] [2024-11-24 00:50:22,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:22,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:50:22,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:22,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:50:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:50:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:22,284 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:50:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:50:22,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:50:22,506 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:50:22,507 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:50:22,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:50:22,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:50:22,717 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 00:50:22,827 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:50:22,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:50:22 BoogieIcfgContainer [2024-11-24 00:50:22,832 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:50:22,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:50:22,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:50:22,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:50:22,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:49:51" (3/4) ... [2024-11-24 00:50:22,836 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:50:22,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:50:22,838 INFO L158 Benchmark]: Toolchain (without parser) took 32704.53ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 93.2MB in the beginning and 221.0MB in the end (delta: -127.8MB). Peak memory consumption was 278.1MB. Max. memory is 16.1GB. [2024-11-24 00:50:22,839 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:50:22,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.95ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 78.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:50:22,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.52ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 73.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:50:22,840 INFO L158 Benchmark]: Boogie Preprocessor took 81.75ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 67.9MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:50:22,841 INFO L158 Benchmark]: RCFGBuilder took 863.90ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 41.5MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:50:22,841 INFO L158 Benchmark]: TraceAbstraction took 31289.24ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 40.9MB in the beginning and 225.3MB in the end (delta: -184.4MB). Peak memory consumption was 219.4MB. Max. memory is 16.1GB. [2024-11-24 00:50:22,842 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 520.1MB. Free memory was 221.1MB in the beginning and 221.0MB in the end (delta: 70.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:50:22,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.95ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 78.7MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.52ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 73.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.75ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 67.9MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 863.90ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 41.5MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 31289.24ms. Allocated memory was 117.4MB in the beginning and 520.1MB in the end (delta: 402.7MB). Free memory was 40.9MB in the beginning and 225.3MB in the end (delta: -184.4MB). Peak memory consumption was 219.4MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 520.1MB. Free memory was 221.1MB in the beginning and 221.0MB in the end (delta: 70.2kB). Peak memory consumption was 8.4MB. 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 108, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 117. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_11 = 63.75; [L32] signed long int var_1_12 = 100000; [L33] unsigned short int var_1_13 = 8; [L34] signed long int var_1_14 = 2; [L35] signed long int var_1_15 = 32; [L36] double var_1_17 = 127.5; [L37] double var_1_18 = 32.75; [L38] signed char var_1_19 = 0; [L39] unsigned long int var_1_20 = 128; [L40] unsigned short int last_1_var_1_13 = 8; [L41] double last_1_var_1_17 = 127.5; VAL [isInitial=0, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L128] isInitial = 1 [L129] FCALL initially() [L131] CALL updateLastVariables() [L120] last_1_var_1_13 = var_1_13 [L121] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L131] RET updateLastVariables() [L132] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L90] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] var_1_3 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L93] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L96] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] var_1_5 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] var_1_7 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L102] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L103] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L103] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=47248, var_1_9=50] [L104] var_1_8 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L105] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L106] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L106] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L107] var_1_11 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L108] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L109] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L109] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L110] var_1_14 = __VERIFIER_nondet_long() [L111] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L111] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L112] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L112] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L113] var_1_15 = __VERIFIER_nondet_long() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L115] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L115] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L116] var_1_18 = __VERIFIER_nondet_double() [L117] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L117] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L132] RET updateVariables() [L133] CALL step() [L45] COND FALSE !(-100000 >= last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L48] COND FALSE !((last_1_var_1_17 / var_1_11) == 999999.6f) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L52] COND TRUE var_1_2 && var_1_3 [L53] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=10, var_1_7=65534, var_1_8=65534, var_1_9=50] [L57] COND FALSE !(var_1_1 <= (var_1_5 * var_1_4)) [L64] var_1_6 = var_1_5 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=254, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L66] var_1_17 = var_1_18 [L67] var_1_19 = 5 [L68] var_1_20 = var_1_15 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L69] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L69] EXPR var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L69] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) [L76] var_1_13 = var_1_1 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L78] COND FALSE !(var_1_1 < var_1_20) [L85] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L133] RET step() [L134] CALL, EXPR property() [L124] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L124-L125] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=254, var_1_14=0, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=254, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=254, var_1_5=0, var_1_6=0, var_1_7=65534, var_1_8=65534, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.1s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 586 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 362 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 224 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 24.1s InterpolantComputationTime, 623 NumberOfCodeBlocks, 623 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 370 ConstructedInterpolants, 0 QuantifiedInterpolants, 1542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2016/2052 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:50:22,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC --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 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:50:25,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:50:26,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:50:26,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:50:26,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:50:26,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:50:26,061 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:50:26,061 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:50:26,062 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:50:26,062 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:50:26,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:50:26,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:50:26,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:50:26,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:50:26,063 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:50:26,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:50:26,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:50:26,066 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:50:26,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:50:26,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:50:26,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:50:26,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:50:26,068 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:50:26,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:50:26,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:50:26,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:50:26,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:50:26,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:50:26,068 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_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC 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 -> 16bedafa7367c5fdfd22a91a49a3bc51f874f132ae36e0fa9860d4d7f4f51ac0 [2024-11-24 00:50:26,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:50:26,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:50:26,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:50:26,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:50:26,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:50:26,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-24 00:50:29,644 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/9b94c31b7/2bec927c8d55480688b6531b77750d69/FLAGf8575575d [2024-11-24 00:50:29,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:50:29,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i [2024-11-24 00:50:29,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/9b94c31b7/2bec927c8d55480688b6531b77750d69/FLAGf8575575d [2024-11-24 00:50:29,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/data/9b94c31b7/2bec927c8d55480688b6531b77750d69 [2024-11-24 00:50:29,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:50:29,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:50:29,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:50:29,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:50:30,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:50:30,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:50:29" (1/1) ... [2024-11-24 00:50:30,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41ec933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30, skipping insertion in model container [2024-11-24 00:50:30,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:50:29" (1/1) ... [2024-11-24 00:50:30,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:50:30,234 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_ca883a00-5958-4638-be6f-e987c451d6d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2024-11-24 00:50:30,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:50:30,380 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:50:30,393 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_ca883a00-5958-4638-be6f-e987c451d6d5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-46.i[919,932] [2024-11-24 00:50:30,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:50:30,480 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:50:30,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30 WrapperNode [2024-11-24 00:50:30,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:50:30,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:50:30,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:50:30,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:50:30,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,528 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-11-24 00:50:30,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:50:30,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:50:30,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:50:30,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:50:30,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,558 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]. [2024-11-24 00:50:30,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,569 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:50:30,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:50:30,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:50:30,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:50:30,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (1/1) ... [2024-11-24 00:50:30,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:50:30,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:50:30,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:50:30,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:50:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:50:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:50:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:50:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:50:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:50:30,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:50:30,761 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:50:30,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:50:43,514 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:50:43,515 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:50:43,526 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:50:43,527 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:50:43,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:43 BoogieIcfgContainer [2024-11-24 00:50:43,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:50:43,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:50:43,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:50:43,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:50:43,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:50:29" (1/3) ... [2024-11-24 00:50:43,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540c9eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:50:43, skipping insertion in model container [2024-11-24 00:50:43,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:50:30" (2/3) ... [2024-11-24 00:50:43,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540c9eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:50:43, skipping insertion in model container [2024-11-24 00:50:43,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:50:43" (3/3) ... [2024-11-24 00:50:43,539 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-46.i [2024-11-24 00:50:43,554 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:50:43,556 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-46.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:50:43,615 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:50:43,628 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;@1bd1cf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:50:43,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:50:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 00:50:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 00:50:43,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:43,644 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:50:43,644 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:43,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:43,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1283369581, now seen corresponding path program 1 times [2024-11-24 00:50:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:50:43,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947174976] [2024-11-24 00:50:43,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:43,661 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 [2024-11-24 00:50:43,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:50:43,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:50:43,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:50:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:44,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:50:44,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:50:44,670 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-24 00:50:44,670 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:50:44,671 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:50:44,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947174976] [2024-11-24 00:50:44,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947174976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:50:44,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:50:44,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:50:44,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53041238] [2024-11-24 00:50:44,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:50:44,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:50:44,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:50:44,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:50:44,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:50:44,703 INFO L87 Difference]: Start difference. First operand has 58 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 37 states have internal predecessors, (50), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:50:44,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:50:44,731 INFO L93 Difference]: Finished difference Result 108 states and 187 transitions. [2024-11-24 00:50:44,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:50:44,733 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 120 [2024-11-24 00:50:44,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:50:44,740 INFO L225 Difference]: With dead ends: 108 [2024-11-24 00:50:44,741 INFO L226 Difference]: Without dead ends: 53 [2024-11-24 00:50:44,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:50:44,748 INFO L435 NwaCegarLoop]: 77 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, 77 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 [2024-11-24 00:50:44,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:50:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-24 00:50:44,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-24 00:50:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-24 00:50:44,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-24 00:50:44,821 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 120 [2024-11-24 00:50:44,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:50:44,821 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-24 00:50:44,822 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, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 00:50:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-24 00:50:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:50:44,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:44,826 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:50:44,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:50:45,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:50:45,027 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:45,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:45,028 INFO L85 PathProgramCache]: Analyzing trace with hash -15310986, now seen corresponding path program 1 times [2024-11-24 00:50:45,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:50:45,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277148762] [2024-11-24 00:50:45,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:45,029 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 [2024-11-24 00:50:45,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:50:45,034 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:50:45,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:53:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:20,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:53:20,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:53:35,006 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:53:39,093 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-11-24 00:53:43,143 WARN L873 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2024-11-24 00:53:55,356 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:54:07,594 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:54:19,824 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:54:32,069 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:54:44,326 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:54:56,576 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:55:08,832 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:55:21,088 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:55:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 00:55:21,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:55:21,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:55:21,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277148762] [2024-11-24 00:55:21,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277148762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:55:21,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:55:21,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:55:21,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711999412] [2024-11-24 00:55:21,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:55:21,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:55:21,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:55:21,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:55:21,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2024-11-24 00:55:21,095 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 00:55:25,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:55:29,891 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-24 00:55:32,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:55:36,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:55:40,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:55:44,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:55:48,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:55:53,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:55:57,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:56:01,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:56:05,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:56:05,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:05,642 INFO L93 Difference]: Finished difference Result 114 states and 165 transitions. [2024-11-24 00:56:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:56:05,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 121 [2024-11-24 00:56:05,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:05,731 INFO L225 Difference]: With dead ends: 114 [2024-11-24 00:56:05,731 INFO L226 Difference]: Without dead ends: 112 [2024-11-24 00:56:05,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2024-11-24 00:56:05,732 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 46 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 39 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 191 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:05,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 233 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 14 Invalid, 9 Unknown, 191 Unchecked, 40.3s Time] [2024-11-24 00:56:05,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-24 00:56:05,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 98. [2024-11-24 00:56:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 57 states have internal predecessors, (68), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:56:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 144 transitions. [2024-11-24 00:56:05,756 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 144 transitions. Word has length 121 [2024-11-24 00:56:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:05,758 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 144 transitions. [2024-11-24 00:56:05,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 00:56:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2024-11-24 00:56:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:56:05,760 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:05,760 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:05,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:05,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:05,966 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:05,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:05,966 INFO L85 PathProgramCache]: Analyzing trace with hash 664747384, now seen corresponding path program 1 times [2024-11-24 00:56:05,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:05,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655566086] [2024-11-24 00:56:05,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:05,967 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 [2024-11-24 00:56:05,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:05,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:56:05,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:07,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:56:07,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:23,968 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:56:28,052 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-11-24 00:56:32,127 WARN L873 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from true [2024-11-24 00:56:44,445 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:56:54,917 WARN L286 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:57:06,449 WARN L286 SmtUtils]: Spent 7.44s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:57:18,730 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:57:30,994 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:57:43,268 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:57:55,585 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:58:07,858 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:58:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-24 00:58:07,859 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:07,860 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:07,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655566086] [2024-11-24 00:58:07,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655566086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:07,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:07,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:58:07,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097970014] [2024-11-24 00:58:07,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:07,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:58:07,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:07,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:58:07,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2024-11-24 00:58:07,862 INFO L87 Difference]: Start difference. First operand 98 states and 144 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 00:58:12,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:16,543 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-24 00:58:20,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:25,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:29,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:33,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:37,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:41,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:45,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:49,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:53,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:58:53,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:53,937 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2024-11-24 00:58:54,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:58:54,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 121 [2024-11-24 00:58:54,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:54,050 INFO L225 Difference]: With dead ends: 121 [2024-11-24 00:58:54,051 INFO L226 Difference]: Without dead ends: 119 [2024-11-24 00:58:54,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=13, Invalid=12, Unknown=3, NotChecked=14, Total=42 [2024-11-24 00:58:54,052 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 46 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 39 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 191 IncrementalHoareTripleChecker+Unchecked, 41.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:54,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 230 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 13 Invalid, 10 Unknown, 191 Unchecked, 41.8s Time] [2024-11-24 00:58:54,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-24 00:58:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 98. [2024-11-24 00:58:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 57 states have internal predecessors, (68), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-24 00:58:54,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 144 transitions. [2024-11-24 00:58:54,071 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 144 transitions. Word has length 121 [2024-11-24 00:58:54,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:54,072 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 144 transitions. [2024-11-24 00:58:54,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-24 00:58:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2024-11-24 00:58:54,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-24 00:58:54,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:54,075 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:54,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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)] Ended with exit code 0 [2024-11-24 00:58:54,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:58:54,275 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:54,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:54,276 INFO L85 PathProgramCache]: Analyzing trace with hash -408337996, now seen corresponding path program 1 times [2024-11-24 00:58:54,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:54,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155109684] [2024-11-24 00:58:54,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:54,277 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 [2024-11-24 00:58:54,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:54,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:58:54,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca883a00-5958-4638-be6f-e987c451d6d5/bin/uautomizer-verify-LYvppIcaGC/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 (5)] Waiting until timeout for monitored process [2024-11-24 00:58:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:55,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-24 00:58:55,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:05,906 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:59:14,240 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:59:22,715 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:59:31,084 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:59:39,390 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:59:47,727 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:59:53,554 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 01:00:01,788 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:00:09,136 WARN L286 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:00:17,458 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:00:22,754 WARN L286 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:00:31,068 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:00:39,433 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:00:47,763 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:00:51,886 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-24 01:00:55,988 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 01:01:04,311 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:01:12,508 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:01:20,827 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:01:31,310 WARN L286 SmtUtils]: Spent 6.79s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:01:39,728 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:01:48,117 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:01:56,430 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:04,736 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:08,848 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-24 01:02:12,945 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-24 01:02:18,365 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:26,565 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:34,868 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:42,275 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:50,606 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:02:58,905 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:07,228 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:15,550 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:23,854 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:32,157 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:40,471 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:48,791 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:03:52,910 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= (_ bv5 8) c_~var_1_19~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-24 01:03:57,014 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_4~0)) (.cse1 ((_ zero_extend 24) c_~var_1_5~0))) (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ zero_extend 8) c_~var_1_5~0) c_~var_1_6~0) (= ((_ extract 7 0) (bvadd .cse0 (bvneg .cse1))) c_~var_1_1~0) (= c_~var_1_17~0 c_~var_1_18~0) (= c_~var_1_15~0 c_~var_1_20~0) (let ((.cse3 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse2)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse3))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse3))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse2)))))) (not (bvsle ((_ zero_extend 24) c_~var_1_1~0) (bvmul .cse0 .cse1))) (= (_ bv5 8) c_~var_1_19~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-24 01:04:14,360 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:22,570 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:30,866 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:39,185 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:47,485 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 01:04:55,808 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)