./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/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_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/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 32bit --witnessprinter.graph.data.programhash 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:55:57,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:55:57,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:55:57,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:55:57,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:55:57,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:55:57,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:55:57,517 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:55:57,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:55:57,517 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:55:57,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:55:57,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:55:57,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:55:57,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:55:57,519 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:55:57,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:55:57,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:55:57,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:55:57,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:55:57,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:55:57,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:55:57,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:55:57,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:55:57,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:55:57,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:55:57,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:55:57,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:55:57,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:55:57,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:55:57,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:55:57,524 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:55:57,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:55:57,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:55:57,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:55:57,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:57,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:55:57,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:55:57,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:55:57,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:55:57,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:55:57,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:55:57,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:55:57,526 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_7f406881-300e-4bca-906b-e1743a908ea7/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2024-11-28 03:55:57,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:55:57,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:55:57,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:55:57,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:55:57,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:55:57,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2024-11-28 03:56:01,676 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/data/b32b32ff2/d12a6853f888450aa198dfc482c9e391/FLAGcde9c921d [2024-11-28 03:56:02,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:56:02,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2024-11-28 03:56:02,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/data/b32b32ff2/d12a6853f888450aa198dfc482c9e391/FLAGcde9c921d [2024-11-28 03:56:02,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/data/b32b32ff2/d12a6853f888450aa198dfc482c9e391 [2024-11-28 03:56:02,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:56:02,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:56:02,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:56:02,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:56:02,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:56:02,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b301915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02, skipping insertion in model container [2024-11-28 03:56:02,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:56:02,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:56:02,589 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:56:02,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:56:02,684 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:56:02,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02 WrapperNode [2024-11-28 03:56:02,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:56:02,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:56:02,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:56:02,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:56:02,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,772 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 530 [2024-11-28 03:56:02,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:56:02,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:56:02,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:56:02,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:56:02,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,804 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]. [2024-11-28 03:56:02,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,811 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:56:02,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:56:02,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:56:02,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:56:02,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (1/1) ... [2024-11-28 03:56:02,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:56:02,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:56:02,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:56:02,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:56:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:56:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:56:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:56:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:56:03,062 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:56:03,065 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:56:03,092 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-28 03:56:03,832 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2024-11-28 03:56:03,832 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2024-11-28 03:56:03,943 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-28 03:56:03,943 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:56:03,962 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:56:03,964 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:56:03,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:56:03 BoogieIcfgContainer [2024-11-28 03:56:03,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:56:03,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:56:03,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:56:03,975 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:56:03,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:56:02" (1/3) ... [2024-11-28 03:56:03,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65962413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:56:03, skipping insertion in model container [2024-11-28 03:56:03,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:56:02" (2/3) ... [2024-11-28 03:56:03,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65962413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:56:03, skipping insertion in model container [2024-11-28 03:56:03,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:56:03" (3/3) ... [2024-11-28 03:56:03,979 INFO L128 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2024-11-28 03:56:03,997 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:56:03,999 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG s3_clnt_3.BV.c.cil-2a.c that has 1 procedures, 137 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2024-11-28 03:56:04,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:56:04,118 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;@47c2eb1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:56:04,118 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 03:56:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 134 states have (on average 1.7164179104477613) internal successors, (230), 136 states have internal predecessors, (230), 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 03:56:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-28 03:56:04,135 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:04,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:04,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-28 03:56:04,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:04,144 INFO L85 PathProgramCache]: Analyzing trace with hash 562191785, now seen corresponding path program 1 times [2024-11-28 03:56:04,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:04,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312155535] [2024-11-28 03:56:04,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:04,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:04,552 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 03:56:04,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:04,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312155535] [2024-11-28 03:56:04,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312155535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:04,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:04,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:56:04,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167747521] [2024-11-28 03:56:04,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:04,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:04,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:04,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:04,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:04,594 INFO L87 Difference]: Start difference. First operand has 137 states, 134 states have (on average 1.7164179104477613) internal successors, (230), 136 states have internal predecessors, (230), 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 5.666666666666667) internal successors, (17), 3 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) [2024-11-28 03:56:04,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:04,879 INFO L93 Difference]: Finished difference Result 267 states and 451 transitions. [2024-11-28 03:56:04,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:04,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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 17 [2024-11-28 03:56:04,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:04,893 INFO L225 Difference]: With dead ends: 267 [2024-11-28 03:56:04,894 INFO L226 Difference]: Without dead ends: 121 [2024-11-28 03:56:04,897 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 03:56:04,901 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 7 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:04,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 336 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:56:04,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-28 03:56:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-28 03:56:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 120 states have internal predecessors, (183), 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 03:56:04,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 183 transitions. [2024-11-28 03:56:04,953 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 183 transitions. Word has length 17 [2024-11-28 03:56:04,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:04,954 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 183 transitions. [2024-11-28 03:56:04,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 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) [2024-11-28 03:56:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 183 transitions. [2024-11-28 03:56:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-28 03:56:04,955 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:04,955 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:04,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:56:04,956 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-28 03:56:04,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:04,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1559476899, now seen corresponding path program 1 times [2024-11-28 03:56:04,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:04,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487307634] [2024-11-28 03:56:04,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:04,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:05,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:56:05,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:05,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487307634] [2024-11-28 03:56:05,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487307634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:05,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:05,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:56:05,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394295055] [2024-11-28 03:56:05,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:05,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:05,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:05,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:05,137 INFO L87 Difference]: Start difference. First operand 121 states and 183 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 03:56:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:05,513 INFO L93 Difference]: Finished difference Result 272 states and 428 transitions. [2024-11-28 03:56:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:05,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 28 [2024-11-28 03:56:05,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:05,516 INFO L225 Difference]: With dead ends: 272 [2024-11-28 03:56:05,516 INFO L226 Difference]: Without dead ends: 160 [2024-11-28 03:56:05,517 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 03:56:05,518 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 66 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:05,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 247 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-28 03:56:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-28 03:56:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.5911949685534592) internal successors, (253), 159 states have internal predecessors, (253), 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 03:56:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 253 transitions. [2024-11-28 03:56:05,532 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 253 transitions. Word has length 28 [2024-11-28 03:56:05,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:05,533 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 253 transitions. [2024-11-28 03:56:05,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 03:56:05,533 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 253 transitions. [2024-11-28 03:56:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 03:56:05,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:56:05,534 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:56:05,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:56:05,535 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-28 03:56:05,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:56:05,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1099143907, now seen corresponding path program 1 times [2024-11-28 03:56:05,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:56:05,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863552782] [2024-11-28 03:56:05,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:56:05,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:56:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:56:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:56:05,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:56:05,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863552782] [2024-11-28 03:56:05,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863552782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:56:05,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:56:05,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:56:05,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234491879] [2024-11-28 03:56:05,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:56:05,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:56:05,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:56:05,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:56:05,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:56:05,721 INFO L87 Difference]: Start difference. First operand 160 states and 253 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 03:56:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:56:06,031 INFO L93 Difference]: Finished difference Result 388 states and 637 transitions. [2024-11-28 03:56:06,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:56:06,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 29 [2024-11-28 03:56:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:56:06,034 INFO L225 Difference]: With dead ends: 388 [2024-11-28 03:56:06,034 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:56:06,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 03:56:06,036 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 51 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:56:06,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 215 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:56:06,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:56:06,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:56:06,042 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 03:56:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:56:06,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2024-11-28 03:56:06,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:56:06,042 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:56:06,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 03:56:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:56:06,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:56:06,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-28 03:56:06,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-28 03:56:06,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:56:06,056 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:56:06,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:56:06,071 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:56:06,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:56:06 BoogieIcfgContainer [2024-11-28 03:56:06,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:56:06,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:56:06,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:56:06,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:56:06,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:56:03" (3/4) ... [2024-11-28 03:56:06,098 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:56:06,125 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-28 03:56:06,126 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 03:56:06,127 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:56:06,130 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:56:06,287 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:56:06,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:56:06,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:56:06,289 INFO L158 Benchmark]: Toolchain (without parser) took 4115.88ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 66.0MB in the end (delta: 26.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2024-11-28 03:56:06,290 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:56:06,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.32ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:56:06,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.93ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:56:06,291 INFO L158 Benchmark]: Boogie Preprocessor took 53.39ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:56:06,291 INFO L158 Benchmark]: RCFGBuilder took 1137.48ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 89.2MB in the end (delta: -17.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-28 03:56:06,292 INFO L158 Benchmark]: TraceAbstraction took 2123.70ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 75.1MB in the end (delta: 13.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-28 03:56:06,292 INFO L158 Benchmark]: Witness Printer took 194.00ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 66.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:56:06,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.32ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 77.4MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.93ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 74.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.39ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 72.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1137.48ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 89.2MB in the end (delta: -17.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2123.70ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 75.1MB in the end (delta: 13.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 194.00ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 66.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 284]: 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, 137 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 409 IncrementalHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 548 mSDtfsCounter, 409 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:56:06,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f406881-300e-4bca-906b-e1743a908ea7/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