./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee159be1ed42c29b70080447b490f7a1aeb72331afc90e5794e0e8d61cb20d74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:31:35,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:31:35,856 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:31:35,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:31:35,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:31:35,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:31:35,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:31:35,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:31:35,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:31:35,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:31:35,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:31:35,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:31:35,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:31:35,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:31:35,900 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:31:35,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:31:35,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:31:35,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:31:35,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:31:35,902 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:35,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:35,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:35,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:31:35,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:31:35,903 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_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee159be1ed42c29b70080447b490f7a1aeb72331afc90e5794e0e8d61cb20d74 [2024-11-24 00:31:36,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:31:36,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:31:36,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:31:36,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:31:36,212 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:31:36,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2024-11-24 00:31:39,125 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/2c1e04f1d/beb49dd2c6df4b6c84d3f2c5b9b17e6b/FLAG61c2dde25 [2024-11-24 00:31:39,388 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:31:39,392 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2024-11-24 00:31:39,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/2c1e04f1d/beb49dd2c6df4b6c84d3f2c5b9b17e6b/FLAG61c2dde25 [2024-11-24 00:31:39,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/2c1e04f1d/beb49dd2c6df4b6c84d3f2c5b9b17e6b [2024-11-24 00:31:39,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:31:39,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:31:39,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:31:39,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:31:39,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:31:39,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b6c38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39, skipping insertion in model container [2024-11-24 00:31:39,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:31:39,881 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_f903686f-dafa-4a9e-97da-9f4505a4943b/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c[721,734] [2024-11-24 00:31:39,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:31:39,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:31:39,912 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_f903686f-dafa-4a9e-97da-9f4505a4943b/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c[721,734] [2024-11-24 00:31:39,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:31:39,926 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:31:39,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39 WrapperNode [2024-11-24 00:31:39,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:31:39,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:31:39,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:31:39,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:31:39,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,953 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-24 00:31:39,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:31:39,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:31:39,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:31:39,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:31:39,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,972 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:31:39,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,975 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:31:39,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:31:39,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:31:39,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:31:39,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (1/1) ... [2024-11-24 00:31:39,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:40,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:31:40,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:31:40,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:31:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:31:40,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:31:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:31:40,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:31:40,099 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:31:40,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:31:40,188 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:31:40,188 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:31:40,197 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:31:40,197 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:31:40,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:40 BoogieIcfgContainer [2024-11-24 00:31:40,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:31:40,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:31:40,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:31:40,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:31:40,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:31:39" (1/3) ... [2024-11-24 00:31:40,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8997cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:31:40, skipping insertion in model container [2024-11-24 00:31:40,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:39" (2/3) ... [2024-11-24 00:31:40,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8997cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:31:40, skipping insertion in model container [2024-11-24 00:31:40,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:40" (3/3) ... [2024-11-24 00:31:40,211 INFO L128 eAbstractionObserver]: Analyzing ICFG drift_tenth.c.p+cfa-reducer.c [2024-11-24 00:31:40,233 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:31:40,235 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG drift_tenth.c.p+cfa-reducer.c that has 1 procedures, 9 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-24 00:31:40,301 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:31:40,319 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;@1ba31a3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:31:40,320 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:31:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 00:31:40,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:40,330 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-24 00:31:40,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:40,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:40,336 INFO L85 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2024-11-24 00:31:40,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:31:40,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966250437] [2024-11-24 00:31:40,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:31:40,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:31:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:31:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:40,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:31:40,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966250437] [2024-11-24 00:31:40,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966250437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:31:40,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:31:40,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:31:40,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377246695] [2024-11-24 00:31:40,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:31:40,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:31:40,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:31:40,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:31:40,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:31:40,555 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:40,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:31:40,582 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-11-24 00:31:40,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:31:40,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-24 00:31:40,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:31:40,595 INFO L225 Difference]: With dead ends: 16 [2024-11-24 00:31:40,595 INFO L226 Difference]: Without dead ends: 7 [2024-11-24 00:31:40,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:31:40,601 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:31:40,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:31:40,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-24 00:31:40,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-24 00:31:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-24 00:31:40,635 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2024-11-24 00:31:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:31:40,637 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-24 00:31:40,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-24 00:31:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 00:31:40,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:40,637 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-24 00:31:40,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:31:40,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:40,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:40,639 INFO L85 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2024-11-24 00:31:40,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:31:40,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054569293] [2024-11-24 00:31:40,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:31:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:31:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:31:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:40,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:31:40,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054569293] [2024-11-24 00:31:40,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054569293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:31:40,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386540919] [2024-11-24 00:31:40,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:31:40,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:31:40,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:31:40,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:31:40,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:31:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:31:40,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:31:40,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:31:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:40,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:31:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:40,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386540919] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:31:40,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:31:40,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 00:31:40,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177905323] [2024-11-24 00:31:40,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:31:40,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 00:31:40,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:31:40,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:31:40,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:31:40,930 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:31:40,951 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2024-11-24 00:31:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:31:40,953 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-24 00:31:40,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:31:40,953 INFO L225 Difference]: With dead ends: 13 [2024-11-24 00:31:40,953 INFO L226 Difference]: Without dead ends: 10 [2024-11-24 00:31:40,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:31:40,954 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:31:40,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:31:40,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-24 00:31:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-24 00:31:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-24 00:31:40,958 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-24 00:31:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:31:40,958 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-24 00:31:40,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-24 00:31:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 00:31:40,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:40,960 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2024-11-24 00:31:40,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:31:41,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:31:41,164 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:41,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:41,165 INFO L85 PathProgramCache]: Analyzing trace with hash 201697478, now seen corresponding path program 2 times [2024-11-24 00:31:41,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:31:41,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398866994] [2024-11-24 00:31:41,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:31:41,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:31:41,203 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:31:41,204 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:31:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:41,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:31:41,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398866994] [2024-11-24 00:31:41,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398866994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:31:41,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864085616] [2024-11-24 00:31:41,342 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:31:41,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:31:41,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:31:41,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:31:41,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:31:41,435 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:31:41,435 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:31:41,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:31:41,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:31:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:41,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:31:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:41,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864085616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:31:41,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:31:41,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-24 00:31:41,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795811137] [2024-11-24 00:31:41,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:31:41,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:31:41,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:31:41,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:31:41,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:31:41,611 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:41,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:31:41,645 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2024-11-24 00:31:41,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:31:41,647 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-24 00:31:41,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:31:41,647 INFO L225 Difference]: With dead ends: 19 [2024-11-24 00:31:41,647 INFO L226 Difference]: Without dead ends: 16 [2024-11-24 00:31:41,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:31:41,648 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:31:41,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:31:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-24 00:31:41,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-24 00:31:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:41,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-24 00:31:41,654 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2024-11-24 00:31:41,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:31:41,654 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-11-24 00:31:41,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-24 00:31:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 00:31:41,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:41,655 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1] [2024-11-24 00:31:41,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:31:41,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:31:41,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:41,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:41,862 INFO L85 PathProgramCache]: Analyzing trace with hash -763767610, now seen corresponding path program 3 times [2024-11-24 00:31:41,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:31:41,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700639993] [2024-11-24 00:31:41,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 00:31:41,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:31:41,885 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-24 00:31:41,885 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-24 00:31:41,885 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:31:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:31:41,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:31:41,923 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:31:41,924 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:31:41,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:31:41,929 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-24 00:31:41,946 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:31:41,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:31:41 BoogieIcfgContainer [2024-11-24 00:31:41,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:31:41,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:31:41,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:31:41,949 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:31:41,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:40" (3/4) ... [2024-11-24 00:31:41,952 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:31:41,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:31:41,953 INFO L158 Benchmark]: Toolchain (without parser) took 2259.74ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 78.3MB in the end (delta: 16.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-24 00:31:41,953 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:31:41,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.76ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 84.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:31:41,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.97ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 82.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:31:41,954 INFO L158 Benchmark]: Boogie Preprocessor took 26.72ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:31:41,954 INFO L158 Benchmark]: RCFGBuilder took 216.80ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 72.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:31:41,954 INFO L158 Benchmark]: TraceAbstraction took 1747.00ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 78.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:31:41,955 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:31:41,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67ms. Allocated memory is still 167.8MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.76ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 84.0MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.97ms. Allocated memory is still 117.4MB. Free memory was 84.0MB in the beginning and 82.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.72ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 216.80ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 72.7MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1747.00ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 78.3MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 78.3MB in the end (delta: 21.0kB). 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: 29]: 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 someBinaryDOUBLEComparisonOperation at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 16. Possible FailurePath: [L1] int __return_main; VAL [__return_main=0] [L9] float main__tick = 0.10000000149011612; [L10] float main__time = 0.0; [L11] int main__i; [L12] main__i = 0 VAL [__return_main=0, main__i=0] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=1] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=2] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=3] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=4] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=5] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=6] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=7] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=8] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=9] [L14] COND TRUE main__i < 10 [L16] main__time = main__time + main__tick [L17] main__i = main__i + 1 VAL [__return_main=0, main__i=10] [L14] COND FALSE !(main__i < 10) [L23] int __tmp_1; [L24] __tmp_1 = main__time != 1.0 [L25] int __VERIFIER_assert__cond; [L26] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0] [L27] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_main=0] [L29] reach_error() VAL [__return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 18 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/33 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:31:41,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee159be1ed42c29b70080447b490f7a1aeb72331afc90e5794e0e8d61cb20d74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:31:44,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:31:44,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:31:44,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:31:44,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:31:44,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:31:44,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:31:44,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:31:44,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:31:44,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:31:44,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:31:44,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:31:44,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:31:44,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:31:44,684 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:31:44,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:31:44,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:31:44,685 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:31:44,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:31:44,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:31:44,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:31:44,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:31:44,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:31:44,686 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:31:44,686 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:31:44,686 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:31:44,687 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:31:44,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:31:44,687 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:31:44,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:31:44,687 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:31:44,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:44,688 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:44,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:44,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:44,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:44,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:31:44,689 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:31:44,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:31:44,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:31:44,690 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:31:44,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:31:44,691 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_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee159be1ed42c29b70080447b490f7a1aeb72331afc90e5794e0e8d61cb20d74 [2024-11-24 00:31:44,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:31:45,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:31:45,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:31:45,011 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:31:45,011 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:31:45,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2024-11-24 00:31:47,939 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/a67ab8b1d/356a5c738ae6491e8b03341d04d0b20c/FLAG8bd3fce38 [2024-11-24 00:31:48,197 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:31:48,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c [2024-11-24 00:31:48,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/a67ab8b1d/356a5c738ae6491e8b03341d04d0b20c/FLAG8bd3fce38 [2024-11-24 00:31:48,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/data/a67ab8b1d/356a5c738ae6491e8b03341d04d0b20c [2024-11-24 00:31:48,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:31:48,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:31:48,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:31:48,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:31:48,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:31:48,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200fa189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48, skipping insertion in model container [2024-11-24 00:31:48,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:31:48,454 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_f903686f-dafa-4a9e-97da-9f4505a4943b/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c[721,734] [2024-11-24 00:31:48,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:31:48,482 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:31:48,500 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_f903686f-dafa-4a9e-97da-9f4505a4943b/sv-benchmarks/c/float-benchs/drift_tenth.c.p+cfa-reducer.c[721,734] [2024-11-24 00:31:48,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:31:48,519 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:31:48,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48 WrapperNode [2024-11-24 00:31:48,521 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:31:48,522 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:31:48,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:31:48,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:31:48,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,562 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-24 00:31:48,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:31:48,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:31:48,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:31:48,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:31:48,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,577 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,595 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:31:48,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:31:48,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:31:48,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:31:48,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:31:48,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (1/1) ... [2024-11-24 00:31:48,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:31:48,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:31:48,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:31:48,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:31:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:31:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:31:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:31:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:31:48,742 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:31:48,744 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:31:48,990 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 00:31:48,990 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:31:48,999 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:31:49,000 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:31:49,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:49 BoogieIcfgContainer [2024-11-24 00:31:49,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:31:49,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:31:49,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:31:49,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:31:49,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:31:48" (1/3) ... [2024-11-24 00:31:49,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8b38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:31:49, skipping insertion in model container [2024-11-24 00:31:49,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:31:48" (2/3) ... [2024-11-24 00:31:49,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8b38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:31:49, skipping insertion in model container [2024-11-24 00:31:49,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:49" (3/3) ... [2024-11-24 00:31:49,012 INFO L128 eAbstractionObserver]: Analyzing ICFG drift_tenth.c.p+cfa-reducer.c [2024-11-24 00:31:49,032 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:31:49,035 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG drift_tenth.c.p+cfa-reducer.c that has 1 procedures, 9 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-24 00:31:49,100 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:31:49,119 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;@d9afd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:31:49,120 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:31:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:49,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 00:31:49,133 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:49,134 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-24 00:31:49,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:49,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:49,143 INFO L85 PathProgramCache]: Analyzing trace with hash 28696774, now seen corresponding path program 1 times [2024-11-24 00:31:49,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:31:49,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1501808308] [2024-11-24 00:31:49,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:31:49,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:31:49,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:31:49,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:31:49,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:31:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:31:49,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:31:49,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:31:49,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:49,360 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:31:49,360 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:31:49,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1501808308] [2024-11-24 00:31:49,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1501808308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:31:49,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:31:49,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:31:49,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614595161] [2024-11-24 00:31:49,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:31:49,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:31:49,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:31:49,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:31:49,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:31:49,394 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:49,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:31:49,540 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2024-11-24 00:31:49,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:31:49,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-24 00:31:49,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:31:49,548 INFO L225 Difference]: With dead ends: 16 [2024-11-24 00:31:49,549 INFO L226 Difference]: Without dead ends: 7 [2024-11-24 00:31:49,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:31:49,554 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:31:49,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:31:49,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-24 00:31:49,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-24 00:31:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-24 00:31:49,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2024-11-24 00:31:49,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:31:49,579 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-24 00:31:49,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-24 00:31:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 00:31:49,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:49,580 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-24 00:31:49,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 00:31:49,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:31:49,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:49,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:49,783 INFO L85 PathProgramCache]: Analyzing trace with hash 889537510, now seen corresponding path program 1 times [2024-11-24 00:31:49,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:31:49,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080118108] [2024-11-24 00:31:49,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:31:49,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:31:49,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:31:49,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:31:49,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:31:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:31:49,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:31:49,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:31:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:49,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:31:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:49,964 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:31:49,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080118108] [2024-11-24 00:31:49,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1080118108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:31:49,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:31:49,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-11-24 00:31:49,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048552047] [2024-11-24 00:31:49,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:31:49,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:31:49,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:31:49,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:31:49,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:31:49,967 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:50,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:31:50,179 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2024-11-24 00:31:50,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:31:50,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-24 00:31:50,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:31:50,182 INFO L225 Difference]: With dead ends: 13 [2024-11-24 00:31:50,183 INFO L226 Difference]: Without dead ends: 10 [2024-11-24 00:31:50,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:31:50,184 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:31:50,184 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:31:50,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-24 00:31:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-24 00:31:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:50,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-24 00:31:50,187 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-24 00:31:50,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:31:50,187 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-24 00:31:50,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-24 00:31:50,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 00:31:50,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:50,188 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1] [2024-11-24 00:31:50,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:31:50,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:31:50,389 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:50,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:50,389 INFO L85 PathProgramCache]: Analyzing trace with hash 201697478, now seen corresponding path program 2 times [2024-11-24 00:31:50,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:31:50,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [42436236] [2024-11-24 00:31:50,390 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 00:31:50,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:31:50,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:31:50,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:31:50,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:31:50,598 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 00:31:50,598 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:31:50,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:31:50,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:31:50,685 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:50,686 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:31:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:31:50,831 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:31:50,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [42436236] [2024-11-24 00:31:50,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [42436236] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:31:50,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:31:50,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-24 00:31:50,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364687286] [2024-11-24 00:31:50,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:31:50,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:31:50,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:31:50,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:31:50,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:31:50,834 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:51,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:31:51,528 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2024-11-24 00:31:51,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:31:51,532 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-24 00:31:51,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:31:51,533 INFO L225 Difference]: With dead ends: 19 [2024-11-24 00:31:51,533 INFO L226 Difference]: Without dead ends: 16 [2024-11-24 00:31:51,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:31:51,534 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:31:51,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:31:51,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-24 00:31:51,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2024-11-24 00:31:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2024-11-24 00:31:51,538 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2024-11-24 00:31:51,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:31:51,538 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2024-11-24 00:31:51,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:31:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2024-11-24 00:31:51,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 00:31:51,539 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:31:51,539 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1] [2024-11-24 00:31:51,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-24 00:31:51,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:31:51,740 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:31:51,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:31:51,741 INFO L85 PathProgramCache]: Analyzing trace with hash -763767610, now seen corresponding path program 3 times [2024-11-24 00:31:51,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:31:51,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [764292899] [2024-11-24 00:31:51,741 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-24 00:31:51,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:31:51,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:31:51,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:31:51,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 00:31:52,088 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-24 00:31:52,088 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:31:52,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-24 00:31:52,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:34:20,569 WARN L286 SmtUtils]: Spent 11.14s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:34:36,941 WARN L873 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:34:43,219 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:36:01,401 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:36:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 34 refuted. 11 times theorem prover too weak. 0 trivial. 10 not checked. [2024-11-24 00:36:06,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:38:27,017 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 00:38:34,239 WARN L286 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:38:40,356 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:38:47,162 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:38:54,376 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:39:02,427 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:39:06,456 WARN L851 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from false [2024-11-24 00:39:10,479 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:39:18,531 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:39:22,556 WARN L851 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from false [2024-11-24 00:39:26,602 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:39:34,665 WARN L286 SmtUtils]: Spent 8.06s 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) [2024-11-24 00:39:38,693 WARN L851 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from false [2024-11-24 00:39:42,721 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:39:50,780 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:39:54,812 WARN L851 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from false [2024-11-24 00:39:58,842 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:40:06,909 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:40:10,944 WARN L851 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from false [2024-11-24 00:40:14,980 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:40:23,042 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-24 00:40:27,073 WARN L851 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from false [2024-11-24 00:40:31,104 WARN L873 $PredicateComparison]: unable to prove that (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2024-11-24 00:40:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 4 refuted. 2 times theorem prover too weak. 0 trivial. 49 not checked. [2024-11-24 00:40:31,105 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:40:31,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [764292899] [2024-11-24 00:40:31,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [764292899] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:40:31,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:40:31,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-11-24 00:40:31,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173593931] [2024-11-24 00:40:31,105 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:40:31,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-24 00:40:31,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:40:31,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-24 00:40:31,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=239, Unknown=41, NotChecked=378, Total=756 [2024-11-24 00:40:31,107 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 28 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:40:35,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 00:40:40,579 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0))) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:40:44,613 WARN L851 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__time~0#1|) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0)))) is different from false [2024-11-24 00:40:48,644 WARN L873 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__time~0#1|) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= c_currentRoundingMode roundNearestTiesToEven) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0)))) is different from true [2024-11-24 00:40:52,680 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-24 00:40:56,710 WARN L873 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:41:00,743 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-24 00:41:04,770 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:41:08,805 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-24 00:41:12,831 WARN L873 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:41:18,860 WARN L873 $PredicateComparison]: unable to prove that (and (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:41:22,892 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-24 00:41:28,397 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-24 00:41:32,499 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:41:36,527 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-24 00:41:40,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:41:44,175 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|))) (let ((.cse2 (fp.add c_currentRoundingMode .cse0 |c_ULTIMATE.start_main_~main__tick~0#1|)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse0) .cse1)) (= |c_ULTIMATE.start_main_~main__tick~0#1| ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0)))) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode .cse2 |c_ULTIMATE.start_main_~main__tick~0#1|)) .cse1)) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1|) .cse1)) (= (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__tick~0#1|) |c_ULTIMATE.start_main_~main__time~0#1|) (= c_currentRoundingMode roundNearestTiesToEven) (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode .cse2) .cse1))))) is different from false [2024-11-24 00:41:51,327 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode |c_ULTIMATE.start_main_~main__time~0#1| |c_ULTIMATE.start_main_~main__tick~0#1|)) ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (= |c_ULTIMATE.start_main_~main__time~0#1| (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))))) (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (_ +zero 11 53)) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0) .cse0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-24 00:42:22,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:26,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:30,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:33,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:37,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:40,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:44,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:47,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:52,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:42:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:42:52,083 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-24 00:42:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:42:52,084 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-24 00:42:52,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:42:52,085 INFO L225 Difference]: With dead ends: 22 [2024-11-24 00:42:52,085 INFO L226 Difference]: Without dead ends: 19 [2024-11-24 00:42:52,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 516.1s TimeCoverageRelationStatistics Valid=130, Invalid=270, Unknown=60, NotChecked=1100, Total=1560 [2024-11-24 00:42:52,087 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 386 IncrementalHoareTripleChecker+Unchecked, 40.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:42:52,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 5 Unknown, 386 Unchecked, 40.7s Time] [2024-11-24 00:42:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-24 00:42:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-24 00:42:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:42:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2024-11-24 00:42:52,092 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 15 [2024-11-24 00:42:52,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:42:52,092 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2024-11-24 00:42:52,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 27 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:42:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2024-11-24 00:42:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 00:42:52,093 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:42:52,093 INFO L218 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1] [2024-11-24 00:42:52,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-24 00:42:52,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:52,293 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:42:52,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:42:52,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1273818086, now seen corresponding path program 4 times [2024-11-24 00:42:52,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:42:52,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634185088] [2024-11-24 00:42:52,294 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-24 00:42:52,294 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:52,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:42:52,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:42:52,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 00:42:52,626 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-24 00:42:52,626 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 00:42:52,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:42:52,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:42:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 33 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:42:53,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:42:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 33 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 00:42:55,522 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:42:55,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634185088] [2024-11-24 00:42:55,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634185088] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:42:55,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:42:55,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2024-11-24 00:42:55,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500018963] [2024-11-24 00:42:55,522 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:42:55,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-24 00:42:55,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:42:55,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-24 00:42:55,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:42:55,524 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:42:56,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:42:56,856 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2024-11-24 00:42:56,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 00:42:56,860 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-24 00:42:56,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:42:56,861 INFO L225 Difference]: With dead ends: 19 [2024-11-24 00:42:56,861 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:42:56,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:42:56,862 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:42:56,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 00:42:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:42:56,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:42:56,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:42:56,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:42:56,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2024-11-24 00:42:56,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:42:56,864 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:42:56,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:42:56,864 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:42:56,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:42:56,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:42:56,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-24 00:42:57,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:42:57,071 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1] [2024-11-24 00:42:57,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:42:57,078 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:42:57,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:42:57 BoogieIcfgContainer [2024-11-24 00:42:57,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:42:57,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:42:57,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:42:57,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:42:57,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:31:49" (3/4) ... [2024-11-24 00:42:57,089 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:42:57,097 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-24 00:42:57,097 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 00:42:57,097 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:42:57,097 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:42:57,172 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:42:57,172 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:42:57,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:42:57,173 INFO L158 Benchmark]: Toolchain (without parser) took 668916.53ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 43.6MB in the end (delta: 49.2MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-24 00:42:57,174 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:42:57,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.70ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:42:57,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.57ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:42:57,175 INFO L158 Benchmark]: Boogie Preprocessor took 50.57ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:42:57,175 INFO L158 Benchmark]: RCFGBuilder took 383.78ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 69.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:42:57,176 INFO L158 Benchmark]: TraceAbstraction took 668081.89ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 48.3MB in the end (delta: 20.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-24 00:42:57,176 INFO L158 Benchmark]: Witness Printer took 87.13ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 43.6MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:42:57,177 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 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.70ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.57ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.57ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.78ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 69.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 668081.89ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 48.3MB in the end (delta: 20.5MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Witness Printer took 87.13ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 43.6MB in the end (delta: 4.7MB). 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 - PositiveResult [Line: 29]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 668.0s, OverallIterations: 5, TraceHistogramMax: 13, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 143.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 42.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 42.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 386 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 23 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 519.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=4, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 522.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 898 SizeOfPredicates, 2 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 72/314 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 00:42:57,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f903686f-dafa-4a9e-97da-9f4505a4943b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE