./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd --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 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:58:00,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:58:00,574 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:58:00,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:58:00,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:58:00,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:58:00,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:58:00,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:58:00,612 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:58:00,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:58:00,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:58:00,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:58:00,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:58:00,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:58:00,613 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:58:00,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:58:00,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:58:00,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:58:00,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:58:00,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:58:00,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:58:00,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:58:00,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:58:00,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:58:00,617 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:58:00,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:58:00,618 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:58:00,618 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_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd 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 -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2024-11-13 15:58:00,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:58:00,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:58:00,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:58:00,961 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:58:00,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:58:00,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i Unable to find full path for "g++" [2024-11-13 15:58:02,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:58:03,196 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:58:03,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2024-11-13 15:58:03,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/data/6a5ca17db/d3b04453e4f84a0bb3f0b5a37f4b2a75/FLAG6c2b31395 [2024-11-13 15:58:03,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/data/6a5ca17db/d3b04453e4f84a0bb3f0b5a37f4b2a75 [2024-11-13 15:58:03,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:58:03,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:58:03,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:58:03,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:58:03,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:58:03,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:58:03" (1/1) ... [2024-11-13 15:58:03,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5569420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:03, skipping insertion in model container [2024-11-13 15:58:03,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:58:03" (1/1) ... [2024-11-13 15:58:03,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:58:03,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:58:03,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:58:03,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:58:04,028 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:58:04,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04 WrapperNode [2024-11-13 15:58:04,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:58:04,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:58:04,031 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:58:04,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:58:04,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,087 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 50 [2024-11-13 15:58:04,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:58:04,089 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:58:04,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:58:04,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:58:04,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,123 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-13 15:58:04,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:58:04,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:58:04,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:58:04,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:58:04,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (1/1) ... [2024-11-13 15:58:04,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:58:04,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:58:04,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:58:04,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 15:58:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 15:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:58:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:58:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:58:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:58:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:58:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:58:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:58:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:58:04,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:58:04,319 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:58:04,474 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 15:58:04,474 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:58:04,484 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:58:04,484 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:58:04,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:58:04 BoogieIcfgContainer [2024-11-13 15:58:04,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:58:04,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:58:04,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:58:04,494 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:58:04,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:58:03" (1/3) ... [2024-11-13 15:58:04,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56de251b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:58:04, skipping insertion in model container [2024-11-13 15:58:04,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:58:04" (2/3) ... [2024-11-13 15:58:04,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56de251b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:58:04, skipping insertion in model container [2024-11-13 15:58:04,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:58:04" (3/3) ... [2024-11-13 15:58:04,498 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test18_2.i [2024-11-13 15:58:04,514 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:58:04,515 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG memleaks_test18_2.i that has 2 procedures, 31 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2024-11-13 15:58:04,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:58:04,580 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;@7b22bc83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:58:04,580 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-13 15:58:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 21 states have (on average 1.619047619047619) internal successors, (34), 27 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:58:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 15:58:04,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:04,595 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:04,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:04,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:04,602 INFO L85 PathProgramCache]: Analyzing trace with hash -703361705, now seen corresponding path program 1 times [2024-11-13 15:58:04,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:04,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930859873] [2024-11-13 15:58:04,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:04,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:04,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 15:58:05,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:05,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930859873] [2024-11-13 15:58:05,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930859873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:58:05,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:58:05,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:58:05,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907437126] [2024-11-13 15:58:05,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:58:05,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:58:05,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:05,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:58:05,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:58:05,154 INFO L87 Difference]: Start difference. First operand has 31 states, 21 states have (on average 1.619047619047619) internal successors, (34), 27 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:58:05,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:05,227 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2024-11-13 15:58:05,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:58:05,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-13 15:58:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:05,236 INFO L225 Difference]: With dead ends: 49 [2024-11-13 15:58:05,236 INFO L226 Difference]: Without dead ends: 30 [2024-11-13 15:58:05,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:58:05,241 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:05,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 161 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:58:05,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-13 15:58:05,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-13 15:58:05,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.4) internal successors, (28), 25 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 15:58:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2024-11-13 15:58:05,288 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 18 [2024-11-13 15:58:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:05,289 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2024-11-13 15:58:05,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:58:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2024-11-13 15:58:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 15:58:05,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:05,291 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:05,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:58:05,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:05,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:05,293 INFO L85 PathProgramCache]: Analyzing trace with hash -703361651, now seen corresponding path program 1 times [2024-11-13 15:58:05,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:05,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590550616] [2024-11-13 15:58:05,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:05,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:05,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:58:05,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:05,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590550616] [2024-11-13 15:58:05,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590550616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:58:05,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:58:05,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:58:05,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033469962] [2024-11-13 15:58:05,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:58:05,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:58:05,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:05,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:58:05,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:58:05,527 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:58:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:05,620 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2024-11-13 15:58:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:58:05,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2024-11-13 15:58:05,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:05,623 INFO L225 Difference]: With dead ends: 44 [2024-11-13 15:58:05,623 INFO L226 Difference]: Without dead ends: 40 [2024-11-13 15:58:05,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:58:05,624 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:05,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 83 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:58:05,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-13 15:58:05,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-13 15:58:05,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 33 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:58:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2024-11-13 15:58:05,631 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 18 [2024-11-13 15:58:05,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:05,631 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2024-11-13 15:58:05,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:58:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-11-13 15:58:05,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 15:58:05,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:05,632 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:05,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:58:05,632 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:05,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:05,633 INFO L85 PathProgramCache]: Analyzing trace with hash -510499180, now seen corresponding path program 1 times [2024-11-13 15:58:05,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:05,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193347206] [2024-11-13 15:58:05,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:05,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:05,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 15:58:05,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:05,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193347206] [2024-11-13 15:58:05,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193347206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:58:05,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:58:05,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:58:05,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674942313] [2024-11-13 15:58:05,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:58:05,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:58:05,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:05,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:58:05,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:58:05,766 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:58:05,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:05,838 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2024-11-13 15:58:05,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:58:05,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2024-11-13 15:58:05,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:05,839 INFO L225 Difference]: With dead ends: 46 [2024-11-13 15:58:05,840 INFO L226 Difference]: Without dead ends: 38 [2024-11-13 15:58:05,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:58:05,841 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:05,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 89 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:58:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-13 15:58:05,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-11-13 15:58:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.32) internal successors, (33), 30 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:58:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2024-11-13 15:58:05,850 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 21 [2024-11-13 15:58:05,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:05,850 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2024-11-13 15:58:05,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:58:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2024-11-13 15:58:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 15:58:05,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:05,852 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:05,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:58:05,852 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:05,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1189422438, now seen corresponding path program 1 times [2024-11-13 15:58:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:05,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120050497] [2024-11-13 15:58:05,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:05,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:58:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:06,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:06,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120050497] [2024-11-13 15:58:06,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120050497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:58:06,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509219971] [2024-11-13 15:58:06,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:06,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:06,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:58:06,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:58:06,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:58:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:58:06,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:58:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:06,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:58:06,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509219971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:58:06,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:58:06,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-13 15:58:06,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446589498] [2024-11-13 15:58:06,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:58:06,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:58:06,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:58:06,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:58:06,351 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 15:58:06,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:06,411 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2024-11-13 15:58:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:58:06,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2024-11-13 15:58:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:06,413 INFO L225 Difference]: With dead ends: 36 [2024-11-13 15:58:06,413 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 15:58:06,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:58:06,414 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 5 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:06,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 80 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:58:06,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 15:58:06,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-13 15:58:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.24) internal successors, (31), 28 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 15:58:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-11-13 15:58:06,425 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 28 [2024-11-13 15:58:06,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:06,426 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-11-13 15:58:06,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 15:58:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-11-13 15:58:06,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 15:58:06,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:06,428 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:06,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:58:06,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:06,632 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:06,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:06,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1782610150, now seen corresponding path program 1 times [2024-11-13 15:58:06,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:06,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487740839] [2024-11-13 15:58:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:06,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:58:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:06,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:06,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487740839] [2024-11-13 15:58:06,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487740839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:58:06,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667819975] [2024-11-13 15:58:06,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:06,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:06,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:58:06,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:58:06,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:58:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:06,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:58:06,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:58:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:07,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:58:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:07,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667819975] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:58:07,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:58:07,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-13 15:58:07,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437406646] [2024-11-13 15:58:07,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:58:07,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 15:58:07,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:07,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 15:58:07,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:58:07,111 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:58:07,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:07,239 INFO L93 Difference]: Finished difference Result 66 states and 85 transitions. [2024-11-13 15:58:07,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:58:07,240 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 29 [2024-11-13 15:58:07,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:07,241 INFO L225 Difference]: With dead ends: 66 [2024-11-13 15:58:07,241 INFO L226 Difference]: Without dead ends: 64 [2024-11-13 15:58:07,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-13 15:58:07,242 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 13 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:07,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 121 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:58:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-13 15:58:07,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2024-11-13 15:58:07,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.1875) internal successors, (57), 48 states have internal predecessors, (57), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (12), 10 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-13 15:58:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2024-11-13 15:58:07,251 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 29 [2024-11-13 15:58:07,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:07,252 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2024-11-13 15:58:07,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:58:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2024-11-13 15:58:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 15:58:07,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:07,253 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:07,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 15:58:07,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:07,457 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:07,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1882317415, now seen corresponding path program 1 times [2024-11-13 15:58:07,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:07,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610309636] [2024-11-13 15:58:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:07,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:58:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 15:58:07,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:07,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610309636] [2024-11-13 15:58:07,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610309636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:58:07,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:58:07,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:58:07,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681805632] [2024-11-13 15:58:07,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:58:07,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:58:07,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:07,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:58:07,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:58:07,540 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:58:07,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:07,568 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2024-11-13 15:58:07,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:58:07,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-13 15:58:07,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:07,569 INFO L225 Difference]: With dead ends: 60 [2024-11-13 15:58:07,569 INFO L226 Difference]: Without dead ends: 59 [2024-11-13 15:58:07,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:58:07,570 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:07,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 64 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:58:07,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-13 15:58:07,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-13 15:58:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 47 states have internal predecessors, (56), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (12), 10 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-13 15:58:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 74 transitions. [2024-11-13 15:58:07,579 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 74 transitions. Word has length 31 [2024-11-13 15:58:07,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:07,579 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 74 transitions. [2024-11-13 15:58:07,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 15:58:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2024-11-13 15:58:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 15:58:07,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:07,580 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:07,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:58:07,580 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:07,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:07,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1777702195, now seen corresponding path program 1 times [2024-11-13 15:58:07,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:07,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820245962] [2024-11-13 15:58:07,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:58:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820245962] [2024-11-13 15:58:07,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820245962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:58:07,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432484381] [2024-11-13 15:58:07,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:58:07,728 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:58:07,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:58:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:07,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 15:58:07,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:58:07,911 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:07,912 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:58:08,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 15:58:08,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432484381] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:58:08,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:58:08,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-11-13 15:58:08,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838834619] [2024-11-13 15:58:08,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:58:08,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 15:58:08,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:08,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 15:58:08,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:58:08,046 INFO L87 Difference]: Start difference. First operand 59 states and 74 transitions. Second operand has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:58:08,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:08,172 INFO L93 Difference]: Finished difference Result 64 states and 80 transitions. [2024-11-13 15:58:08,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:58:08,172 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 32 [2024-11-13 15:58:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:08,173 INFO L225 Difference]: With dead ends: 64 [2024-11-13 15:58:08,173 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 15:58:08,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:58:08,174 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 5 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:08,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 81 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:58:08,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 15:58:08,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 40. [2024-11-13 15:58:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:58:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2024-11-13 15:58:08,182 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 32 [2024-11-13 15:58:08,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:08,182 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2024-11-13 15:58:08,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 15:58:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2024-11-13 15:58:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 15:58:08,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:08,183 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:08,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:58:08,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:08,387 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:08,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:08,388 INFO L85 PathProgramCache]: Analyzing trace with hash 245633055, now seen corresponding path program 2 times [2024-11-13 15:58:08,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:08,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296656898] [2024-11-13 15:58:08,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:08,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:08,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:58:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:58:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:58:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:08,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:58:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:58:08,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:08,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296656898] [2024-11-13 15:58:08,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296656898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:58:08,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2037704806] [2024-11-13 15:58:08,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:58:08,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:08,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:58:08,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:58:08,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:58:09,008 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:58:09,009 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:58:09,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:58:09,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:58:09,105 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:58:09,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:58:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 15:58:09,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2037704806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:58:09,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:58:09,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 24 [2024-11-13 15:58:09,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55319305] [2024-11-13 15:58:09,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:58:09,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-13 15:58:09,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:09,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-13 15:58:09,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:58:09,369 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 25 states, 24 states have (on average 2.7916666666666665) internal successors, (67), 24 states have internal predecessors, (67), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:58:09,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:09,535 INFO L93 Difference]: Finished difference Result 79 states and 107 transitions. [2024-11-13 15:58:09,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 15:58:09,536 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.7916666666666665) internal successors, (67), 24 states have internal predecessors, (67), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Word has length 59 [2024-11-13 15:58:09,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:09,538 INFO L225 Difference]: With dead ends: 79 [2024-11-13 15:58:09,538 INFO L226 Difference]: Without dead ends: 78 [2024-11-13 15:58:09,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2024-11-13 15:58:09,539 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 3 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:09,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 94 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:58:09,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-13 15:58:09,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2024-11-13 15:58:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.032258064516129) internal successors, (64), 62 states have internal predecessors, (64), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:58:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2024-11-13 15:58:09,564 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 59 [2024-11-13 15:58:09,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:09,564 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2024-11-13 15:58:09,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.7916666666666665) internal successors, (67), 24 states have internal predecessors, (67), 12 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 15:58:09,565 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2024-11-13 15:58:09,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 15:58:09,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:58:09,572 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:09,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 15:58:09,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-13 15:58:09,772 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-13 15:58:09,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:58:09,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1250307759, now seen corresponding path program 3 times [2024-11-13 15:58:09,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:58:09,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399773883] [2024-11-13 15:58:09,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:58:09,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:58:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:58:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:58:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 15:58:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-13 15:58:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:58:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 15:58:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 15:58:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-13 15:58:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 15:58:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 15:58:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-13 15:58:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-13 15:58:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:58:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 275 proven. 55 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 15:58:10,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:58:10,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399773883] [2024-11-13 15:58:10,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399773883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:58:10,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122984210] [2024-11-13 15:58:10,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:58:10,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:58:10,969 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:58:10,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:58:11,123 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 15:58:11,124 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:58:11,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 15:58:11,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:58:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 15:58:11,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:58:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 15:58:11,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122984210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:58:11,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:58:11,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 4, 4] total 30 [2024-11-13 15:58:11,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435299720] [2024-11-13 15:58:11,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:58:11,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 15:58:11,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:58:11,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 15:58:11,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=721, Unknown=0, NotChecked=0, Total=870 [2024-11-13 15:58:11,576 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand has 30 states, 30 states have (on average 2.933333333333333) internal successors, (88), 29 states have internal predecessors, (88), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-13 15:58:12,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:58:12,521 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2024-11-13 15:58:12,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-13 15:58:12,522 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 2.933333333333333) internal successors, (88), 29 states have internal predecessors, (88), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) Word has length 119 [2024-11-13 15:58:12,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:58:12,522 INFO L225 Difference]: With dead ends: 83 [2024-11-13 15:58:12,523 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:58:12,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=590, Invalid=2602, Unknown=0, NotChecked=0, Total=3192 [2024-11-13 15:58:12,525 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 3 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:58:12,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 384 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 15:58:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:58:12,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:58:12,526 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) [2024-11-13 15:58:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:58:12,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 119 [2024-11-13 15:58:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:58:12,527 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:58:12,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.933333333333333) internal successors, (88), 29 states have internal predecessors, (88), 15 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 15 states have call predecessors, (17), 15 states have call successors, (17) [2024-11-13 15:58:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:58:12,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:58:12,529 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-13 15:58:12,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-13 15:58:12,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-13 15:58:12,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-13 15:58:12,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-13 15:58:12,530 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-13 15:58:12,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 15:58:12,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:58:12,734 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-11-13 15:58:12,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:58:13,001 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:58:13,020 WARN L162 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-11-13 15:58:13,025 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-13 15:58:13,026 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 15:58:13,026 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 15:58:13,026 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 15:58:13,026 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-13 15:58:13,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 15:58:13,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 15:58:13,029 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 15:58:13,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:58:13 BoogieIcfgContainer [2024-11-13 15:58:13,031 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:58:13,032 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:58:13,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:58:13,033 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:58:13,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:58:04" (3/4) ... [2024-11-13 15:58:13,036 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:58:13,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-13 15:58:13,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 15:58:13,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:58:13,046 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:58:13,138 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:58:13,138 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:58:13,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:58:13,139 INFO L158 Benchmark]: Toolchain (without parser) took 9675.04ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 91.1MB in the beginning and 70.7MB in the end (delta: 20.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 15:58:13,140 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:58:13,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.16ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 69.3MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:58:13,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.39ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:58:13,142 INFO L158 Benchmark]: Boogie Preprocessor took 60.66ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:58:13,142 INFO L158 Benchmark]: RCFGBuilder took 335.32ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 53.9MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:58:13,142 INFO L158 Benchmark]: TraceAbstraction took 8543.57ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 53.4MB in the beginning and 76.0MB in the end (delta: -22.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-13 15:58:13,142 INFO L158 Benchmark]: Witness Printer took 106.23ms. Allocated memory is still 151.0MB. Free memory was 76.0MB in the beginning and 70.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:58:13,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.16ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 69.3MB in the end (delta: 21.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.39ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 67.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.66ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.32ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 53.9MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8543.57ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 53.4MB in the beginning and 76.0MB in the end (delta: -22.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 106.23ms. Allocated memory is still 151.0MB. Free memory was 76.0MB in the beginning and 70.7MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * 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: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: 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 2 procedures, 31 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 1157 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 916 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1028 IncrementalHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 241 mSDtfsCounter, 1028 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 988 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=8, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 18 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 622 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 843 ConstructedInterpolants, 0 QuantifiedInterpolants, 2051 SizeOfPredicates, 2 NumberOfNonLiveVariables, 911 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 1936/2306 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: (j < 2147483649) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: ((((i <= 2147483646) && (len <= 10)) && (1 <= i)) || ((len <= 10) && (i == 0))) - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Ensures: (ldv_global_msg_list == \old(ldv_global_msg_list)) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:58:13,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53f716a8-a2d8-45f1-841b-8a5f24fa5f5f/bin/uautomizer-verify-qhAvR1uOyd/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