./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4db0bca5538daf39b8ff60992164692d97581cce14eb7bcb8400899fae1cb0e3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 05:00:41,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 05:00:41,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 05:00:41,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 05:00:41,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 05:00:41,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 05:00:41,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 05:00:41,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 05:00:41,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 05:00:41,560 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 05:00:41,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 05:00:41,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 05:00:41,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 05:00:41,562 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 05:00:41,562 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 05:00:41,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 05:00:41,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 05:00:41,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 05:00:41,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 05:00:41,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 05:00:41,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 05:00:41,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 05:00:41,572 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 05:00:41,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 05:00:41,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 05:00:41,572 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 05:00:41,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 05:00:41,573 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 05:00:41,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 05:00:41,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 05:00:41,573 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 05:00:41,574 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 05:00:41,574 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 05:00:41,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 05:00:41,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:00:41,575 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 05:00:41,575 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 05:00:41,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 05:00:41,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 05:00:41,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 05:00:41,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 05:00:41,579 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 05:00:41,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 05:00:41,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 05:00:41,580 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4db0bca5538daf39b8ff60992164692d97581cce14eb7bcb8400899fae1cb0e3 [2024-11-17 05:00:41,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 05:00:41,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 05:00:41,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 05:00:41,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 05:00:41,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 05:00:41,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c [2024-11-17 05:00:43,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 05:00:43,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 05:00:43,512 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c [2024-11-17 05:00:43,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65afa09f/3a69ffd9396c47b8807c7cbb4d837917/FLAG186e8b540 [2024-11-17 05:00:43,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65afa09f/3a69ffd9396c47b8807c7cbb4d837917 [2024-11-17 05:00:43,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 05:00:43,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 05:00:43,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 05:00:43,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 05:00:43,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 05:00:43,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d6832d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43, skipping insertion in model container [2024-11-17 05:00:43,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 05:00:43,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:00:43,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 05:00:43,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 05:00:43,826 INFO L204 MainTranslator]: Completed translation [2024-11-17 05:00:43,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43 WrapperNode [2024-11-17 05:00:43,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 05:00:43,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 05:00:43,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 05:00:43,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 05:00:43,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,861 INFO L138 Inliner]: procedures = 16, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-11-17 05:00:43,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 05:00:43,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 05:00:43,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 05:00:43,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 05:00:43,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,880 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,906 INFO L175 MemorySlicer]: Split 29 memory accesses to 6 slices as follows [2, 5, 8, 3, 7, 4]. 28 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 9 writes are split as follows [0, 2, 3, 1, 1, 2]. [2024-11-17 05:00:43,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,915 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 05:00:43,924 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 05:00:43,924 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 05:00:43,925 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 05:00:43,925 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (1/1) ... [2024-11-17 05:00:43,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 05:00:43,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:00:43,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 05:00:43,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 05:00:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 05:00:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 05:00:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 05:00:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 05:00:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 05:00:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 05:00:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-17 05:00:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-17 05:00:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-17 05:00:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 05:00:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 05:00:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 05:00:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 05:00:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-17 05:00:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-17 05:00:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-17 05:00:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2024-11-17 05:00:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2024-11-17 05:00:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 05:00:44,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 05:00:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 05:00:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 05:00:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 05:00:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-17 05:00:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-17 05:00:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-17 05:00:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 05:00:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 05:00:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 05:00:44,157 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 05:00:44,161 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 05:00:44,423 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L78: call ULTIMATE.dealloc(main_~#z~0#1.base, main_~#z~0#1.offset);havoc main_~#z~0#1.base, main_~#z~0#1.offset;call ULTIMATE.dealloc(main_~#k~0#1.base, main_~#k~0#1.offset);havoc main_~#k~0#1.base, main_~#k~0#1.offset;call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset;call ULTIMATE.dealloc(main_~#y~0#1.base, main_~#y~0#1.offset);havoc main_~#y~0#1.base, main_~#y~0#1.offset;call ULTIMATE.dealloc(main_~#c~0#1.base, main_~#c~0#1.offset);havoc main_~#c~0#1.base, main_~#c~0#1.offset; [2024-11-17 05:00:44,461 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-17 05:00:44,463 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 05:00:44,479 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 05:00:44,480 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 05:00:44,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:00:44 BoogieIcfgContainer [2024-11-17 05:00:44,481 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 05:00:44,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 05:00:44,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 05:00:44,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 05:00:44,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:00:43" (1/3) ... [2024-11-17 05:00:44,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a03e019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:00:44, skipping insertion in model container [2024-11-17 05:00:44,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:00:43" (2/3) ... [2024-11-17 05:00:44,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a03e019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:00:44, skipping insertion in model container [2024-11-17 05:00:44,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:00:44" (3/3) ... [2024-11-17 05:00:44,493 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_geo1-ll.c [2024-11-17 05:00:44,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 05:00:44,513 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-17 05:00:44,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 05:00:44,580 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;@4fc596fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 05:00:44,580 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-17 05:00:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 24 states have (on average 1.25) internal successors, (30), 27 states have internal predecessors, (30), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 05:00:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 05:00:44,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:00:44,594 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:00:44,594 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:00:44,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:00:44,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1894024879, now seen corresponding path program 1 times [2024-11-17 05:00:44,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:00:44,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173330686] [2024-11-17 05:00:44,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:00:44,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:00:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:44,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:00:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 05:00:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:00:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:44,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 05:00:44,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:00:44,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173330686] [2024-11-17 05:00:44,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173330686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:00:44,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:00:44,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 05:00:44,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636847548] [2024-11-17 05:00:44,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:00:44,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 05:00:44,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:00:44,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 05:00:44,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:00:44,962 INFO L87 Difference]: Start difference. First operand has 36 states, 24 states have (on average 1.25) internal successors, (30), 27 states have internal predecessors, (30), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 05:00:45,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:00:45,061 INFO L93 Difference]: Finished difference Result 70 states and 88 transitions. [2024-11-17 05:00:45,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 05:00:45,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-17 05:00:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:00:45,072 INFO L225 Difference]: With dead ends: 70 [2024-11-17 05:00:45,072 INFO L226 Difference]: Without dead ends: 30 [2024-11-17 05:00:45,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 05:00:45,079 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 12 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 05:00:45,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 38 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 05:00:45,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-17 05:00:45,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2024-11-17 05:00:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 20 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 05:00:45,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-11-17 05:00:45,114 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 21 [2024-11-17 05:00:45,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:00:45,114 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-11-17 05:00:45,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 05:00:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2024-11-17 05:00:45,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 05:00:45,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:00:45,118 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:00:45,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 05:00:45,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:00:45,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:00:45,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1309848, now seen corresponding path program 1 times [2024-11-17 05:00:45,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:00:45,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003419255] [2024-11-17 05:00:45,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:00:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:00:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:45,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:00:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 05:00:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:00:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:00:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 05:00:45,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:00:45,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003419255] [2024-11-17 05:00:45,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003419255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 05:00:45,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40200441] [2024-11-17 05:00:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:00:45,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:00:45,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 05:00:45,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 05:00:45,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 05:00:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:45,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 05:00:45,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 05:00:46,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-17 05:00:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 05:00:46,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 05:00:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 05:00:46,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40200441] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 05:00:46,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 05:00:46,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13 [2024-11-17 05:00:46,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666234650] [2024-11-17 05:00:46,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 05:00:46,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 05:00:46,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:00:46,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 05:00:46,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-17 05:00:46,314 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 14 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 13 states have internal predecessors, (40), 6 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-17 05:00:50,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-17 05:00:50,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:00:50,658 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2024-11-17 05:00:50,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 05:00:50,659 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 13 states have internal predecessors, (40), 6 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) Word has length 28 [2024-11-17 05:00:50,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:00:50,660 INFO L225 Difference]: With dead ends: 34 [2024-11-17 05:00:50,661 INFO L226 Difference]: Without dead ends: 33 [2024-11-17 05:00:50,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-17 05:00:50,662 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 19 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-17 05:00:50,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 47 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 124 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-17 05:00:50,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-17 05:00:50,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2024-11-17 05:00:50,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 22 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 05:00:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2024-11-17 05:00:50,674 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 28 [2024-11-17 05:00:50,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:00:50,675 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2024-11-17 05:00:50,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 13 states have internal predecessors, (40), 6 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-17 05:00:50,675 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-11-17 05:00:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 05:00:50,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 05:00:50,677 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 05:00:50,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 05:00:50,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 05:00:50,878 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 05:00:50,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 05:00:50,879 INFO L85 PathProgramCache]: Analyzing trace with hash 40605279, now seen corresponding path program 1 times [2024-11-17 05:00:50,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 05:00:50,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788090039] [2024-11-17 05:00:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 05:00:50,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 05:00:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:51,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:00:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:51,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-17 05:00:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:51,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-17 05:00:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 05:00:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 05:00:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 05:00:51,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 05:00:51,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788090039] [2024-11-17 05:00:51,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788090039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 05:00:51,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 05:00:51,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 05:00:51,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564133199] [2024-11-17 05:00:51,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 05:00:51,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 05:00:51,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 05:00:51,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 05:00:51,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:00:51,034 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 05:00:51,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 05:00:51,103 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2024-11-17 05:00:51,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 05:00:51,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2024-11-17 05:00:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 05:00:51,104 INFO L225 Difference]: With dead ends: 33 [2024-11-17 05:00:51,105 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 05:00:51,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 05:00:51,106 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 05:00:51,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 38 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 05:00:51,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 05:00:51,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 05:00:51,107 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) [2024-11-17 05:00:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 05:00:51,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2024-11-17 05:00:51,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 05:00:51,108 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 05:00:51,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 05:00:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 05:00:51,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 05:00:51,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-17 05:00:51,111 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-17 05:00:51,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 05:00:51,115 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-17 05:00:51,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 05:00:51,234 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 05:00:51,244 WARN L156 FloydHoareUtils]: Requires clause for func_to_recursive_line_30_to_38_0 contained old-variable. Original clause: (and (= |#memory_int#2| |old(#memory_int#2)|) (exists ((|v_ULTIMATE.start_main_~#z~0#1.offset_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~#z~0#1.base_BEFORE_CALL_2| Int)) (<= 1 (select (select |#memory_int#4| |v_ULTIMATE.start_main_~#z~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#z~0#1.offset_BEFORE_CALL_2|))) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_int#1| |old(#memory_int#1)|)) Eliminated clause: (exists ((|v_ULTIMATE.start_main_~#z~0#1.offset_BEFORE_CALL_2| Int) (|v_ULTIMATE.start_main_~#z~0#1.base_BEFORE_CALL_2| Int)) (<= 1 (select (select |#memory_int#4| |v_ULTIMATE.start_main_~#z~0#1.base_BEFORE_CALL_2|) |v_ULTIMATE.start_main_~#z~0#1.offset_BEFORE_CALL_2|))) [2024-11-17 05:00:51,251 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-17 05:00:51,252 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-17 05:00:51,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:00:51 BoogieIcfgContainer [2024-11-17 05:00:51,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 05:00:51,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 05:00:51,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 05:00:51,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 05:00:51,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 05:00:44" (3/4) ... [2024-11-17 05:00:51,264 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 05:00:51,268 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_30_to_38_0 [2024-11-17 05:00:51,268 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-17 05:00:51,269 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-17 05:00:51,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-17 05:00:51,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-17 05:00:51,275 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 05:00:51,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 05:00:51,371 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 05:00:51,374 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 05:00:51,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 05:00:51,375 INFO L158 Benchmark]: Toolchain (without parser) took 7836.42ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.2MB in the beginning and 100.3MB in the end (delta: 28.9MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-11-17 05:00:51,375 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 05:00:51,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.00ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 116.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 05:00:51,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.58ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 114.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:00:51,376 INFO L158 Benchmark]: Boogie Preprocessor took 60.43ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 112.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 05:00:51,376 INFO L158 Benchmark]: IcfgBuilder took 557.29ms. Allocated memory is still 163.6MB. Free memory was 112.4MB in the beginning and 123.9MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 05:00:51,376 INFO L158 Benchmark]: TraceAbstraction took 6776.48ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 123.6MB in the beginning and 105.6MB in the end (delta: 18.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-17 05:00:51,377 INFO L158 Benchmark]: Witness Printer took 113.73ms. Allocated memory is still 197.1MB. Free memory was 105.6MB in the beginning and 100.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 05:00:51,378 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.00ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 116.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.58ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 114.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.43ms. Allocated memory is still 163.6MB. Free memory was 114.9MB in the beginning and 112.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 557.29ms. Allocated memory is still 163.6MB. Free memory was 112.4MB in the beginning and 123.9MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6776.48ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 123.6MB in the beginning and 105.6MB in the end (delta: 18.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Witness Printer took 113.73ms. Allocated memory is still 197.1MB. Free memory was 105.6MB in the beginning and 100.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: 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 4 procedures, 36 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.6s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 194 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 54 mSDtfsCounter, 194 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 71 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 129 ConstructedInterpolants, 18 QuantifiedInterpolants, 494 SizeOfPredicates, 3 NumberOfNonLiveVariables, 194 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 11/20 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 2 specifications checked. All of them hold - ProcedureContractResult [Line: 25]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-17 05:00:51,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE