./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1dfda05d3675e1795581ea2bc298236cc0d085a96432f97caff9d055d75a6052 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:24:14,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:24:14,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 05:24:14,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:24:14,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:24:14,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:24:14,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:24:14,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:24:14,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:24:14,873 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:24:14,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:24:14,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:24:14,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:24:14,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:24:14,874 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:24:14,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:24:14,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:24:14,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:24:14,876 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:24:14,876 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:24:14,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:24:14,876 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:24:14,876 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:24:14,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:14,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:24:14,876 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:24:14,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:24:14,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:24:14,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:14,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:24:14,877 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:24:14,877 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:24:14,877 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:24:14,877 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:24:14,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:24:14,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:24:14,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:24:14,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:24:14,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:24:14,882 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_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dfda05d3675e1795581ea2bc298236cc0d085a96432f97caff9d055d75a6052 [2024-11-28 05:24:15,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:24:15,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:24:15,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:24:15,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:24:15,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:24:15,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2024-11-28 05:24:18,273 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/data/ccaa76ef5/d6f0bf6f1ce34a95aced6ab8fca21b23/FLAG3f3edd1c4 [2024-11-28 05:24:18,619 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:24:18,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/sv-benchmarks/c/termination-memory-alloca/b.03_assume-alloca.i [2024-11-28 05:24:18,632 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/data/ccaa76ef5/d6f0bf6f1ce34a95aced6ab8fca21b23/FLAG3f3edd1c4 [2024-11-28 05:24:18,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/data/ccaa76ef5/d6f0bf6f1ce34a95aced6ab8fca21b23 [2024-11-28 05:24:18,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:24:18,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:24:18,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:18,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:24:18,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:24:18,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:18" (1/1) ... [2024-11-28 05:24:18,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fe2ab92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:18, skipping insertion in model container [2024-11-28 05:24:18,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:18" (1/1) ... [2024-11-28 05:24:18,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:24:19,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:19,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:24:19,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:24:19,160 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:24:19,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19 WrapperNode [2024-11-28 05:24:19,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:24:19,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:19,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:24:19,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:24:19,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,213 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2024-11-28 05:24:19,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:24:19,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:24:19,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:24:19,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:24:19,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,230 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,246 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [8, 6]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [2, 1]. [2024-11-28 05:24:19,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:24:19,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:24:19,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:24:19,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:24:19,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (1/1) ... [2024-11-28 05:24:19,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:24:19,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:24:19,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:24:19,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:24:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 05:24:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 05:24:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 05:24:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 05:24:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 05:24:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 05:24:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:24:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:24:19,477 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:24:19,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:24:19,653 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-28 05:24:19,653 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:24:19,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:24:19,663 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:24:19,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:19 BoogieIcfgContainer [2024-11-28 05:24:19,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:24:19,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:24:19,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:24:19,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:24:19,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:18" (1/3) ... [2024-11-28 05:24:19,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5b63ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:19, skipping insertion in model container [2024-11-28 05:24:19,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:19" (2/3) ... [2024-11-28 05:24:19,672 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5b63ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:19, skipping insertion in model container [2024-11-28 05:24:19,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:19" (3/3) ... [2024-11-28 05:24:19,673 INFO L128 eAbstractionObserver]: Analyzing ICFG b.03_assume-alloca.i [2024-11-28 05:24:19,688 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:24:19,690 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG b.03_assume-alloca.i that has 1 procedures, 21 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2024-11-28 05:24:19,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:24:19,757 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;@6165fbc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:24:19,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 05:24:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 16 states have (on average 1.5625) internal successors, (25), 20 states have internal predecessors, (25), 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) [2024-11-28 05:24:19,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 05:24:19,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:19,767 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 05:24:19,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 05:24:19,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash 889570280, now seen corresponding path program 1 times [2024-11-28 05:24:19,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:19,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579624022] [2024-11-28 05:24:19,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:19,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:20,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:20,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579624022] [2024-11-28 05:24:20,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579624022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:20,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:20,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:24:20,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183483978] [2024-11-28 05:24:20,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:20,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:24:20,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:20,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:24:20,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:24:20,229 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.5625) internal successors, (25), 20 states have internal predecessors, (25), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-28 05:24:20,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:20,324 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2024-11-28 05:24:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:24:20,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 [2024-11-28 05:24:20,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:20,336 INFO L225 Difference]: With dead ends: 26 [2024-11-28 05:24:20,337 INFO L226 Difference]: Without dead ends: 15 [2024-11-28 05:24:20,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:24:20,344 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 17 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:20,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 31 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:24:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-28 05:24:20,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-28 05:24:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 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) [2024-11-28 05:24:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-28 05:24:20,375 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 6 [2024-11-28 05:24:20,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:20,375 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-28 05:24:20,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-28 05:24:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-28 05:24:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-28 05:24:20,377 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:20,377 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:20,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:24:20,377 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 05:24:20,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1806874952, now seen corresponding path program 1 times [2024-11-28 05:24:20,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:20,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66393781] [2024-11-28 05:24:20,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:20,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:20,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:20,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66393781] [2024-11-28 05:24:20,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66393781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:20,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:20,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:24:20,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791798423] [2024-11-28 05:24:20,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:20,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:24:20,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:20,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:24:20,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:24:20,655 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2024-11-28 05:24:20,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:20,710 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2024-11-28 05:24:20,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:24:20,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) Word has length 7 [2024-11-28 05:24:20,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:20,712 INFO L225 Difference]: With dead ends: 15 [2024-11-28 05:24:20,712 INFO L226 Difference]: Without dead ends: 14 [2024-11-28 05:24:20,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:20,713 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 11 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:20,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 22 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:24:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-28 05:24:20,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-28 05:24:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 13 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) [2024-11-28 05:24:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-28 05:24:20,720 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2024-11-28 05:24:20,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:20,720 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-28 05:24:20,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 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) [2024-11-28 05:24:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-28 05:24:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 05:24:20,721 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:20,721 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:20,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:24:20,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 05:24:20,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:20,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1245832370, now seen corresponding path program 1 times [2024-11-28 05:24:20,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:20,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97599341] [2024-11-28 05:24:20,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:20,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:20,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:20,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97599341] [2024-11-28 05:24:20,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97599341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:20,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:20,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:24:20,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589519592] [2024-11-28 05:24:20,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:20,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:24:20,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:20,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:24:20,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:24:20,793 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-28 05:24:20,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:20,812 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2024-11-28 05:24:20,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:24:20,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 9 [2024-11-28 05:24:20,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:20,814 INFO L225 Difference]: With dead ends: 26 [2024-11-28 05:24:20,814 INFO L226 Difference]: Without dead ends: 14 [2024-11-28 05:24:20,814 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 [2024-11-28 05:24:20,815 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:20,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:24:20,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-28 05:24:20,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-28 05:24:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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) [2024-11-28 05:24:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-28 05:24:20,823 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 9 [2024-11-28 05:24:20,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:20,824 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-28 05:24:20,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2024-11-28 05:24:20,824 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-28 05:24:20,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 05:24:20,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:20,825 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:20,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:24:20,825 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 05:24:20,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:20,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1975403246, now seen corresponding path program 1 times [2024-11-28 05:24:20,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:20,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705238114] [2024-11-28 05:24:20,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:20,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:21,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:21,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705238114] [2024-11-28 05:24:21,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705238114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:21,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:21,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:24:21,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47266387] [2024-11-28 05:24:21,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:21,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:24:21,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:21,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:24:21,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:24:21,161 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2024-11-28 05:24:21,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:21,225 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2024-11-28 05:24:21,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:24:21,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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 11 [2024-11-28 05:24:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:21,226 INFO L225 Difference]: With dead ends: 25 [2024-11-28 05:24:21,226 INFO L226 Difference]: Without dead ends: 24 [2024-11-28 05:24:21,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:21,228 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:21,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 22 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:24:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-28 05:24:21,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2024-11-28 05:24:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 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) [2024-11-28 05:24:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2024-11-28 05:24:21,234 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 11 [2024-11-28 05:24:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:21,235 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2024-11-28 05:24:21,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 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) [2024-11-28 05:24:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2024-11-28 05:24:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 05:24:21,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:21,240 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:21,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:24:21,240 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 05:24:21,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:21,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1107958549, now seen corresponding path program 1 times [2024-11-28 05:24:21,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:21,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107775722] [2024-11-28 05:24:21,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:21,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:21,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:21,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107775722] [2024-11-28 05:24:21,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107775722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:24:21,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:24:21,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:24:21,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832755930] [2024-11-28 05:24:21,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:24:21,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:24:21,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:21,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:24:21,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:24:21,642 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-11-28 05:24:21,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:21,706 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-11-28 05:24:21,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:24:21,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2024-11-28 05:24:21,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:21,707 INFO L225 Difference]: With dead ends: 22 [2024-11-28 05:24:21,708 INFO L226 Difference]: Without dead ends: 21 [2024-11-28 05:24:21,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:24:21,708 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:21,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:24:21,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-28 05:24:21,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-28 05:24:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 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) [2024-11-28 05:24:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-28 05:24:21,715 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 12 [2024-11-28 05:24:21,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:21,715 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-28 05:24:21,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-11-28 05:24:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-28 05:24:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 05:24:21,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:24:21,718 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-28 05:24:21,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:24:21,718 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-28 05:24:21,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:24:21,719 INFO L85 PathProgramCache]: Analyzing trace with hash 87775072, now seen corresponding path program 1 times [2024-11-28 05:24:21,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:24:21,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821892347] [2024-11-28 05:24:21,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:21,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:24:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:22,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:24:22,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821892347] [2024-11-28 05:24:22,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821892347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 05:24:22,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119047264] [2024-11-28 05:24:22,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:24:22,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:24:22,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:24:22,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:24:22,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:24:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:24:22,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 05:24:22,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:24:22,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-28 05:24:22,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 05:24:22,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-28 05:24:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:22,546 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:24:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:24:22,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119047264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:24:22,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 05:24:22,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-11-28 05:24:22,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601507466] [2024-11-28 05:24:22,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 05:24:22,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 05:24:22,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:24:22,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 05:24:22,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-28 05:24:22,767 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 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) [2024-11-28 05:24:23,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:24:23,045 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-11-28 05:24:23,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 05:24:23,045 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 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 20 [2024-11-28 05:24:23,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:24:23,046 INFO L225 Difference]: With dead ends: 22 [2024-11-28 05:24:23,046 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:24:23,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-28 05:24:23,048 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:24:23,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 49 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:24:23,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:24:23,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:24:23,051 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) [2024-11-28 05:24:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:24:23,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2024-11-28 05:24:23,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:24:23,052 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:24:23,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 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) [2024-11-28 05:24:23,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:24:23,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:24:23,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-28 05:24:23,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-28 05:24:23,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-28 05:24:23,059 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-28 05:24:23,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:24:23,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:24:23,266 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-28 05:24:23,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:24:23,308 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:24:23,317 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:24:23,319 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:24:23,319 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-11-28 05:24:23,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-28 05:24:23,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-28 05:24:23,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-11-28 05:24:23,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:24:23,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:24:23,321 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-11-28 05:24:23,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-28 05:24:23,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-28 05:24:23,322 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-11-28 05:24:23,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:24:23 BoogieIcfgContainer [2024-11-28 05:24:23,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:24:23,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:24:23,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:24:23,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:24:23,325 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:19" (3/4) ... [2024-11-28 05:24:23,328 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:24:23,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-28 05:24:23,336 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 05:24:23,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 05:24:23,337 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:24:23,406 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:24:23,407 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:24:23,407 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:24:23,407 INFO L158 Benchmark]: Toolchain (without parser) took 4752.25ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 40.2MB in the end (delta: 78.4MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2024-11-28 05:24:23,408 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:23,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.18ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 102.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:24:23,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.19ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:23,408 INFO L158 Benchmark]: Boogie Preprocessor took 55.81ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:23,409 INFO L158 Benchmark]: RCFGBuilder took 390.92ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 86.9MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:24:23,409 INFO L158 Benchmark]: TraceAbstraction took 3656.59ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 44.8MB in the end (delta: 41.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-28 05:24:23,409 INFO L158 Benchmark]: Witness Printer took 83.10ms. Allocated memory is still 142.6MB. Free memory was 44.8MB in the beginning and 40.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:24:23,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.18ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 102.6MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.19ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.81ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 99.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 390.92ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 86.9MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3656.59ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 44.8MB in the end (delta: 41.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Witness Printer took 83.10ms. Allocated memory is still 142.6MB. Free memory was 44.8MB in the beginning and 40.2MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] * 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: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 556]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 58 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 931 SizeOfPredicates, 8 NumberOfNonLiveVariables, 107 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 7/24 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 05:24:23,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ff91c2f-f72e-4910-8d6d-8420bd7097a9/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE