./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB --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 d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:16:16,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:16:16,678 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 23:16:16,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:16:16,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:16:16,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:16:16,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:16:16,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:16:16,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:16:16,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:16:16,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:16:16,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:16:16,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:16:16,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:16:16,711 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:16:16,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:16:16,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:16:16,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:16:16,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:16:16,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:16:16,712 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:16:16,712 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:16,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:16,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:16,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:16:16,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:16:16,715 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_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2024-11-27 23:16:17,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:16:17,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:16:17,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:16:17,028 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:16:17,029 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:16:17,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-27 23:16:19,953 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/184e654fb/ff9fe7f4115b4c88aa41dc4e53e6ad92/FLAG2552c5139 [2024-11-27 23:16:20,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:16:20,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-27 23:16:20,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/184e654fb/ff9fe7f4115b4c88aa41dc4e53e6ad92/FLAG2552c5139 [2024-11-27 23:16:20,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/184e654fb/ff9fe7f4115b4c88aa41dc4e53e6ad92 [2024-11-27 23:16:20,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:16:20,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:16:20,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:16:20,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:16:20,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:16:20,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:20,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37dd6eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20, skipping insertion in model container [2024-11-27 23:16:20,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:20,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:16:20,777 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-11-27 23:16:20,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:16:20,886 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:16:20,901 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_5765a828-c4c0-40ac-8d59-b88b7c981ce5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-11-27 23:16:20,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:16:20,970 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:16:20,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20 WrapperNode [2024-11-27 23:16:20,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:16:20,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:16:20,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:16:20,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:16:20,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:20,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,046 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-27 23:16:21,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:16:21,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:16:21,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:16:21,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:16:21,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,077 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]. [2024-11-27 23:16:21,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,084 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:16:21,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:16:21,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:16:21,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:16:21,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (1/1) ... [2024-11-27 23:16:21,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:21,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:21,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:16:21,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:16:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:16:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:16:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:16:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:16:21,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:16:21,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:16:21,259 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:16:21,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:16:21,567 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-27 23:16:21,568 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:16:21,582 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:16:21,583 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:16:21,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:21 BoogieIcfgContainer [2024-11-27 23:16:21,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:16:21,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:16:21,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:16:21,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:16:21,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:16:20" (1/3) ... [2024-11-27 23:16:21,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a3a8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:16:21, skipping insertion in model container [2024-11-27 23:16:21,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:20" (2/3) ... [2024-11-27 23:16:21,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a3a8d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:16:21, skipping insertion in model container [2024-11-27 23:16:21,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:21" (3/3) ... [2024-11-27 23:16:21,592 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-27 23:16:21,609 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:16:21,610 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-4.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:16:21,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:16:21,690 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;@6bdfa1b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:16:21,690 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:16:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 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) [2024-11-27 23:16:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:16:21,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:21,708 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] [2024-11-27 23:16:21,708 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:21,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:21,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2024-11-27 23:16:21,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:21,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412233792] [2024-11-27 23:16:21,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:21,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-27 23:16:22,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:22,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412233792] [2024-11-27 23:16:22,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412233792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:16:22,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324304017] [2024-11-27 23:16:22,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:22,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:16:22,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:22,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:16:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:16:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:22,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:16:22,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:16:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-27 23:16:22,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:16:22,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324304017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:22,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:16:22,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 23:16:22,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953868784] [2024-11-27 23:16:22,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:22,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:16:22,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:22,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:16:22,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:16:22,445 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 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 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-27 23:16:22,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:22,479 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2024-11-27 23:16:22,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:16:22,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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 116 [2024-11-27 23:16:22,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:22,486 INFO L225 Difference]: With dead ends: 95 [2024-11-27 23:16:22,486 INFO L226 Difference]: Without dead ends: 47 [2024-11-27 23:16:22,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:16:22,492 INFO L435 NwaCegarLoop]: 69 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, 69 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 [2024-11-27 23:16:22,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:22,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-27 23:16:22,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-27 23:16:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 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) [2024-11-27 23:16:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-11-27 23:16:22,533 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2024-11-27 23:16:22,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:22,533 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-11-27 23:16:22,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 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) [2024-11-27 23:16:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-27 23:16:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:16:22,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:22,537 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] [2024-11-27 23:16:22,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:16:22,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 23:16:22,738 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:22,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:22,739 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2024-11-27 23:16:22,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:22,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012748776] [2024-11-27 23:16:22,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:22,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:16:23,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2028559922] [2024-11-27 23:16:23,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:23,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:16:23,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:23,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:16:23,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:16:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:23,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:16:23,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:16:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-27 23:16:26,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:16:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-27 23:16:27,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:27,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012748776] [2024-11-27 23:16:27,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 23:16:27,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028559922] [2024-11-27 23:16:27,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028559922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:16:27,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 23:16:27,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2024-11-27 23:16:27,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718447203] [2024-11-27 23:16:27,390 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 23:16:27,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 23:16:27,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:27,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 23:16:27,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-27 23:16:27,392 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-27 23:16:30,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:30,176 INFO L93 Difference]: Finished difference Result 148 states and 213 transitions. [2024-11-27 23:16:30,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 23:16:30,177 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 116 [2024-11-27 23:16:30,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:30,179 INFO L225 Difference]: With dead ends: 148 [2024-11-27 23:16:30,179 INFO L226 Difference]: Without dead ends: 104 [2024-11-27 23:16:30,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=201, Invalid=449, Unknown=0, NotChecked=0, Total=650 [2024-11-27 23:16:30,181 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 76 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:30,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 255 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 23:16:30,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-27 23:16:30,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 85. [2024-11-27 23:16:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 43 states have internal predecessors, (48), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-27 23:16:30,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2024-11-27 23:16:30,215 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 116 [2024-11-27 23:16:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:30,215 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2024-11-27 23:16:30,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 16 states have internal predecessors, (50), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-27 23:16:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2024-11-27 23:16:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:16:30,217 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:30,217 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] [2024-11-27 23:16:30,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:16:30,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-27 23:16:30,418 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:30,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:30,419 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2024-11-27 23:16:30,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:30,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478522753] [2024-11-27 23:16:30,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:30,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 23:16:30,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600814816] [2024-11-27 23:16:30,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:30,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:16:30,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:30,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:16:30,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:16:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:16:31,456 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 23:16:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 23:16:31,580 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 23:16:31,580 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 23:16:31,581 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 23:16:31,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:16:31,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:16:31,790 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 23:16:31,907 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:16:31,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:16:31 BoogieIcfgContainer [2024-11-27 23:16:31,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:16:31,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:16:31,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:16:31,912 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:16:31,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:21" (3/4) ... [2024-11-27 23:16:31,915 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 23:16:31,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:16:31,917 INFO L158 Benchmark]: Toolchain (without parser) took 11388.66ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.5MB in the beginning and 125.7MB in the end (delta: -32.3MB). Peak memory consumption was 199.1MB. Max. memory is 16.1GB. [2024-11-27 23:16:31,918 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:16:31,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.66ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:16:31,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.10ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:16:31,919 INFO L158 Benchmark]: Boogie Preprocessor took 47.68ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 73.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:16:31,919 INFO L158 Benchmark]: RCFGBuilder took 485.47ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 55.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:16:31,920 INFO L158 Benchmark]: TraceAbstraction took 10325.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.3MB in the beginning and 125.8MB in the end (delta: -70.5MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. [2024-11-27 23:16:31,920 INFO L158 Benchmark]: Witness Printer took 5.09ms. Allocated memory is still 352.3MB. Free memory was 125.8MB in the beginning and 125.7MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:16:31,922 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 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.66ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.10ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.68ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 73.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.47ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 55.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10325.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.3MB in the beginning and 125.8MB in the end (delta: -70.5MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. * Witness Printer took 5.09ms. Allocated memory is still 352.3MB. Free memory was 125.8MB in the beginning and 125.7MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] signed long int var_1_13 = 99; [L30] signed long int var_1_14 = 127; [L31] signed long int var_1_15 = 16; [L32] signed long int var_1_16 = 256; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L99] isInitial = 1 [L100] FCALL initially() [L102] CALL updateLastVariables() [L91] last_1_var_1_12 = var_1_12 [L92] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=8, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=99, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_13 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not(var_1_13 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L74] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L74] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=127, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L75] var_1_14 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L76] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L77] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=16, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L78] var_1_15 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L79] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L80] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=256, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L82] var_1_16 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L85] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L85] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L86] var_1_17 = __VERIFIER_nondet_ulong() [L87] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L87] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L88] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L88] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L103] RET updateVariables() [L104] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=10, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=1] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=0, var_1_1=5, var_1_3=32767, var_1_7=4, var_1_8=1] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=0, stepLocal_1=-32767, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_1=-32767, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L104] RET step() [L105] CALL, EXPR property() [L95-L96] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=-255, var_1_11=257, var_1_12=501, var_1_13=-2147483648, var_1_14=-2147483648, var_1_15=1, var_1_16=-1, var_1_17=2147483647, var_1_18=257, var_1_1=5, var_1_3=32767, var_1_7=1, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 324 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 496 IncrementalHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 112 mSDtfsCounter, 496 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 359 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 19 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 460 ConstructedInterpolants, 5 QuantifiedInterpolants, 3057 SizeOfPredicates, 5 NumberOfNonLiveVariables, 550 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 2604/2736 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 [2024-11-27 23:16:31,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB --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 d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:16:34,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:16:34,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 23:16:34,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:16:34,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:16:34,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:16:34,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:16:34,891 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:16:34,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:16:34,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:16:34,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:16:34,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:16:34,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:16:34,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:16:34,903 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:16:34,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:16:34,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:16:34,910 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 23:16:34,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 23:16:34,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:16:34,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:16:34,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:16:34,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:16:34,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:16:34,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:34,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:34,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:34,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:34,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:16:34,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:34,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:34,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:34,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:34,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:16:34,913 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:16:34,913 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:16:34,913 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:16:34,913 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 23:16:34,913 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 23:16:34,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:16:34,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:16:34,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:16:34,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:16:34,914 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_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> d641f0fce6003e45544d7b313fe1ff9fa273efb3a1cdf3caa63db5b3b8db2e1d [2024-11-27 23:16:35,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:16:35,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:16:35,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:16:35,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:16:35,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:16:35,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-27 23:16:38,296 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/68d4cafd0/100b1fcf854c4006ba6394fb0b4e1a72/FLAG02e2c76b7 [2024-11-27 23:16:38,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:16:38,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-27 23:16:38,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/68d4cafd0/100b1fcf854c4006ba6394fb0b4e1a72/FLAG02e2c76b7 [2024-11-27 23:16:38,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/data/68d4cafd0/100b1fcf854c4006ba6394fb0b4e1a72 [2024-11-27 23:16:38,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:16:38,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:16:38,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:16:38,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:16:38,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:16:38,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:16:38" (1/1) ... [2024-11-27 23:16:38,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b7f623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:38, skipping insertion in model container [2024-11-27 23:16:38,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:16:38" (1/1) ... [2024-11-27 23:16:38,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:16:39,153 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_5765a828-c4c0-40ac-8d59-b88b7c981ce5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-11-27 23:16:39,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:16:39,244 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:16:39,256 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_5765a828-c4c0-40ac-8d59-b88b7c981ce5/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-4.i[915,928] [2024-11-27 23:16:39,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:16:39,323 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:16:39,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39 WrapperNode [2024-11-27 23:16:39,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:16:39,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:16:39,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:16:39,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:16:39,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,392 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-27 23:16:39,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:16:39,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:16:39,397 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:16:39,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:16:39,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,441 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]. [2024-11-27 23:16:39,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:16:39,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:16:39,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:16:39,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:16:39,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (1/1) ... [2024-11-27 23:16:39,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:39,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:16:39,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:16:39,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:16:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:16:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 23:16:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 23:16:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 23:16:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:16:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:16:39,630 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:16:39,632 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:16:52,183 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-27 23:16:52,184 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:16:52,195 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:16:52,196 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 23:16:52,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:52 BoogieIcfgContainer [2024-11-27 23:16:52,196 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:16:52,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:16:52,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:16:52,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:16:52,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:16:38" (1/3) ... [2024-11-27 23:16:52,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202babd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:16:52, skipping insertion in model container [2024-11-27 23:16:52,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:16:39" (2/3) ... [2024-11-27 23:16:52,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202babd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:16:52, skipping insertion in model container [2024-11-27 23:16:52,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:16:52" (3/3) ... [2024-11-27 23:16:52,209 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-4.i [2024-11-27 23:16:52,223 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:16:52,225 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-4.i that has 2 procedures, 51 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 23:16:52,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:16:52,303 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;@3bb55f97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:16:52,303 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 23:16:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 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) [2024-11-27 23:16:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:16:52,320 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:52,320 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] [2024-11-27 23:16:52,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:52,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:52,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1605082745, now seen corresponding path program 1 times [2024-11-27 23:16:52,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:16:52,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149339748] [2024-11-27 23:16:52,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:52,339 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 [2024-11-27 23:16:52,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:16:52,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 23:16:52,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 23:16:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:53,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 23:16:53,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:16:53,090 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-27 23:16:53,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:16:53,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:16:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149339748] [2024-11-27 23:16:53,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149339748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:53,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:53,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:16:53,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761054766] [2024-11-27 23:16:53,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:53,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 23:16:53,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:16:53,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 23:16:53,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:16:53,120 INFO L87 Difference]: Start difference. First operand has 51 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 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 14.0) internal successors, (28), 2 states have internal predecessors, (28), 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) [2024-11-27 23:16:53,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:53,149 INFO L93 Difference]: Finished difference Result 95 states and 165 transitions. [2024-11-27 23:16:53,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 23:16:53,151 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (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 116 [2024-11-27 23:16:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:53,158 INFO L225 Difference]: With dead ends: 95 [2024-11-27 23:16:53,159 INFO L226 Difference]: Without dead ends: 47 [2024-11-27 23:16:53,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 23:16:53,165 INFO L435 NwaCegarLoop]: 69 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, 69 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 [2024-11-27 23:16:53,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:53,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-27 23:16:53,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-27 23:16:53,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 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) [2024-11-27 23:16:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2024-11-27 23:16:53,202 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 116 [2024-11-27 23:16:53,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:53,203 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2024-11-27 23:16:53,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (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) [2024-11-27 23:16:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2024-11-27 23:16:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:16:53,207 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:53,207 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] [2024-11-27 23:16:53,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 23:16:53,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 23:16:53,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:16:53,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:53,409 INFO L85 PathProgramCache]: Analyzing trace with hash -741041665, now seen corresponding path program 1 times [2024-11-27 23:16:53,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:16:53,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913767624] [2024-11-27 23:16:53,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:53,411 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 [2024-11-27 23:16:53,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:16:53,413 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 23:16:53,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 23:16:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:54,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 23:16:54,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 150 proven. 48 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-11-27 23:17:00,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:17:03,218 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 23:17:03,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1913767624] [2024-11-27 23:17:03,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1913767624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:17:03,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1357668629] [2024-11-27 23:17:03,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:03,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-27 23:17:03,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-27 23:17:03,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-27 23:17:03,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-27 23:17:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:04,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 23:17:04,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:07,550 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-27 23:17:07,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:17:07,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1357668629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:07,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:17:07,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 8 [2024-11-27 23:17:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752934824] [2024-11-27 23:17:07,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:07,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:17:07,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 23:17:07,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:17:07,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:17:07,555 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-27 23:17:13,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 23:17:18,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 23:17:22,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 23:17:26,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:17:30,335 WARN L539 Checker$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 [] [2024-11-27 23:17:34,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 23:17:38,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 23:17:43,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 23:17:47,017 WARN L539 Checker$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 [] [2024-11-27 23:17:51,021 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 [] [2024-11-27 23:17:51,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:51,022 INFO L93 Difference]: Finished difference Result 136 states and 202 transitions. [2024-11-27 23:17:51,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:17:51,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 116 [2024-11-27 23:17:51,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:17:51,087 INFO L225 Difference]: With dead ends: 136 [2024-11-27 23:17:51,087 INFO L226 Difference]: Without dead ends: 92 [2024-11-27 23:17:51,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-27 23:17:51,089 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 31 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 39 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:17:51,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 212 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 53 Invalid, 10 Unknown, 0 Unchecked, 42.9s Time] [2024-11-27 23:17:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-27 23:17:51,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 81. [2024-11-27 23:17:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 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) [2024-11-27 23:17:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2024-11-27 23:17:51,113 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 116 [2024-11-27 23:17:51,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:17:51,114 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2024-11-27 23:17:51,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-27 23:17:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2024-11-27 23:17:51,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 23:17:51,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:17:51,116 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] [2024-11-27 23:17:51,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-27 23:17:51,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 23:17:51,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 23:17:51,517 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 23:17:51,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:51,518 INFO L85 PathProgramCache]: Analyzing trace with hash 68304961, now seen corresponding path program 1 times [2024-11-27 23:17:51,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 23:17:51,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112276897] [2024-11-27 23:17:51,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:51,519 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 [2024-11-27 23:17:51,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 23:17:51,522 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 23:17:51,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5765a828-c4c0-40ac-8d59-b88b7c981ce5/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 23:17:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:52,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 23:17:52,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:18:04,578 WARN L286 SmtUtils]: Spent 8.34s 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) [2024-11-27 23:18:12,898 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) [2024-11-27 23:18:21,226 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) [2024-11-27 23:18:29,555 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:18:37,890 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:18:46,207 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) [2024-11-27 23:18:54,537 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) [2024-11-27 23:19:02,868 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:19:11,196 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) [2024-11-27 23:19:19,608 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:19:27,961 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:19:36,301 WARN L286 SmtUtils]: Spent 8.34s 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) [2024-11-27 23:19:44,436 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:19:52,569 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:20:00,887 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) [2024-11-27 23:20:04,982 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8))) (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))))))) is different from false [2024-11-27 23:20:09,083 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse3) (_ bv64 32)))) (let ((.cse8 ((_ zero_extend 24) c_~var_1_8~0))) (let ((.cse7 (bvslt .cse2 .cse8))) (or (and (not .cse7) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse8))) (and .cse7 (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))))))) is different from true [2024-11-27 23:20:17,472 WARN L286 SmtUtils]: Spent 8.35s 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) [2024-11-27 23:20:25,814 WARN L286 SmtUtils]: Spent 8.34s 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) [2024-11-27 23:20:34,159 WARN L286 SmtUtils]: Spent 8.34s 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) [2024-11-27 23:20:47,119 WARN L286 SmtUtils]: Spent 8.34s 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) [2024-11-27 23:20:55,456 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) [2024-11-27 23:21:03,812 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:21:12,178 WARN L286 SmtUtils]: Spent 8.37s 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) [2024-11-27 23:21:20,525 WARN L286 SmtUtils]: Spent 8.35s 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) [2024-11-27 23:21:28,885 WARN L286 SmtUtils]: Spent 8.36s 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) [2024-11-27 23:21:37,255 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:21:45,617 WARN L286 SmtUtils]: Spent 8.36s 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) [2024-11-27 23:21:53,971 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:22:02,341 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:22:10,665 WARN L286 SmtUtils]: Spent 8.32s 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) [2024-11-27 23:22:18,816 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:22:26,967 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:22:35,327 WARN L286 SmtUtils]: Spent 8.36s 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) [2024-11-27 23:22:39,424 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse4 ((_ sign_extend 16) c_~var_1_3~0))) (and (or (let ((.cse1 ((_ zero_extend 24) c_~var_1_8~0))) (and (not (bvslt .cse0 .cse1)) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse1)))) (= (bvadd (_ bv500 32) .cse0) c_~var_1_12~0)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse3 (bvsgt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse3)))) (not (= (_ bv0 32) .cse4)) (let ((.cse5 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse6 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse7 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse5) (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse5 (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse4) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse4) |c_ULTIMATE.start_step_~stepLocal_0~0#1|))) is different from false [2024-11-27 23:22:43,527 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse4 ((_ sign_extend 16) c_~var_1_3~0))) (and (or (let ((.cse1 ((_ zero_extend 24) c_~var_1_8~0))) (and (not (bvslt .cse0 .cse1)) (= c_~var_1_12~0 (bvadd (_ bv500 32) .cse1)))) (= (bvadd (_ bv500 32) .cse0) c_~var_1_12~0)) (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse2 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse3 (bvsgt .cse0 .cse2))) (or (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) (not .cse3)) (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) .cse3)))) (not (= (_ bv0 32) .cse4)) (let ((.cse5 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse6 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse7 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse5) (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse5 (fp.gt .cse6 (fp.div c_currentRoundingMode .cse7 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (not (= (_ bv0 32) (bvadd (bvudiv c_~last_1_var_1_12~0 .cse4) (_ bv64 32)))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (= (bvsdiv ((_ zero_extend 16) c_~var_1_7~0) .cse4) |c_ULTIMATE.start_step_~stepLocal_0~0#1|))) is different from true [2024-11-27 23:22:51,934 WARN L286 SmtUtils]: Spent 8.38s 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) [2024-11-27 23:23:00,992 WARN L286 SmtUtils]: Spent 8.35s 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) [2024-11-27 23:23:09,369 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:23:22,325 WARN L286 SmtUtils]: Spent 8.36s 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) [2024-11-27 23:23:30,704 WARN L286 SmtUtils]: Spent 8.38s 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) [2024-11-27 23:23:39,069 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) [2024-11-27 23:23:47,461 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:23:55,856 WARN L286 SmtUtils]: Spent 8.39s 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) [2024-11-27 23:24:04,230 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:24:12,617 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:24:20,997 WARN L286 SmtUtils]: Spent 8.38s 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) [2024-11-27 23:24:29,141 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:24:37,302 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 23:24:45,710 WARN L286 SmtUtils]: Spent 8.41s 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) [2024-11-27 23:24:49,807 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse7 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse7 .cse3) .cse7))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from false [2024-11-27 23:24:53,915 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 16) c_~var_1_3~0)) (.cse2 ((_ zero_extend 24) c_~var_1_10~0))) (and (= c_~last_1_var_1_18~0 (_ bv0 8)) (= c_~var_1_18~0 c_~var_1_11~0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_11~0))) (let ((.cse1 (bvsgt .cse2 .cse0))) (or (and (= ((_ extract 7 0) .cse0) c_~var_1_8~0) (not .cse1)) (and (= ((_ extract 7 0) .cse2) c_~var_1_8~0) .cse1)))) (not (= (_ bv0 32) .cse3)) (let ((.cse4 (bvslt c_~var_1_15~0 c_~var_1_16~0)) (.cse5 (fp.neg (fp.div c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_13~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 3.0 5.0))))) (.cse6 (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_14~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 13.0 4.0))))) (or (and (not .cse4) (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_16~0)))) (and .cse4 (fp.gt .cse5 (fp.div c_currentRoundingMode .cse6 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_15~0)))))) (= ((_ zero_extend 8) c_~var_1_18~0) c_~var_1_7~0) (not (let ((.cse7 ((_ zero_extend 16) c_~var_1_7~0))) (bvsge (bvsdiv .cse7 .cse3) .cse7))) (= (bvadd (_ bv500 32) .cse2) c_~var_1_12~0))) is different from true