./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/list-simple/sll2n_remove_all.i --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/list-simple/sll2n_remove_all.i -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 bae9bfc842bb010963d083e19e9498cfd3af182f91f0b8fa56907786a4d462dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:10:01,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:10:01,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:10:01,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:10:01,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:10:01,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:10:01,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:10:01,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:10:01,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:10:01,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:10:01,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:10:01,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:10:01,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:10:01,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:10:01,198 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:10:01,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:10:01,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:10:01,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:10:01,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:10:01,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:10:01,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:10:01,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:10:01,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:10:01,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:10:01,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:10:01,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:10:01,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:10:01,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:10:01,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:10:01,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:10:01,204 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:10:01,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:10:01,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:10:01,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:10:01,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:10:01,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:10:01,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:10:01,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:10:01,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:10:01,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:10:01,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:10:01,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:10:01,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:10:01,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:10:01,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bae9bfc842bb010963d083e19e9498cfd3af182f91f0b8fa56907786a4d462dd [2024-11-17 04:10:01,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:10:01,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:10:01,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:10:01,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:10:01,507 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:10:01,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_remove_all.i [2024-11-17 04:10:03,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:10:03,255 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:10:03,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_remove_all.i [2024-11-17 04:10:03,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06944c32/45bcc57f0e73441dbac5672e86a73c1d/FLAG327807648 [2024-11-17 04:10:03,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a06944c32/45bcc57f0e73441dbac5672e86a73c1d [2024-11-17 04:10:03,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:10:03,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:10:03,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:10:03,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:10:03,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:10:03,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8118a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03, skipping insertion in model container [2024-11-17 04:10:03,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:10:03,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:10:03,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:10:03,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:10:03,759 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:10:03,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03 WrapperNode [2024-11-17 04:10:03,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:10:03,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:10:03,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:10:03,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:10:03,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,800 INFO L138 Inliner]: procedures = 126, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 89 [2024-11-17 04:10:03,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:10:03,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:10:03,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:10:03,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:10:03,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,812 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,830 INFO L175 MemorySlicer]: Split 11 memory accesses to 3 slices as follows [2, 4, 5]. 45 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 4 writes are split as follows [0, 3, 1]. [2024-11-17 04:10:03,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,840 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:10:03,848 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:10:03,848 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:10:03,848 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:10:03,849 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (1/1) ... [2024-11-17 04:10:03,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:10:03,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:10:03,889 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 04:10:03,895 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 04:10:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 04:10:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 04:10:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 04:10:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 04:10:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:10:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 04:10:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 04:10:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 04:10:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 04:10:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 04:10:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 04:10:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:10:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:10:04,084 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:10:04,086 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:10:04,290 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint myexit_returnLabel#1: assume true;havoc myexit_~s#1;havoc myexit_#in~s#1;assume { :end_inline_myexit } true; [2024-11-17 04:10:04,293 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L600: call ULTIMATE.dealloc(main_~#s~0#1.base, main_~#s~0#1.offset);havoc main_~#s~0#1.base, main_~#s~0#1.offset; [2024-11-17 04:10:04,315 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-17 04:10:04,315 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:10:04,330 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:10:04,331 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:10:04,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:10:04 BoogieIcfgContainer [2024-11-17 04:10:04,332 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:10:04,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:10:04,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:10:04,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:10:04,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:10:03" (1/3) ... [2024-11-17 04:10:04,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6de5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:10:04, skipping insertion in model container [2024-11-17 04:10:04,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:03" (2/3) ... [2024-11-17 04:10:04,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6de5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:10:04, skipping insertion in model container [2024-11-17 04:10:04,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:10:04" (3/3) ... [2024-11-17 04:10:04,340 INFO L112 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all.i [2024-11-17 04:10:04,359 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:10:04,359 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 04:10:04,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:10:04,428 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;@6d38e299, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:10:04,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 04:10:04,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 35 states have internal predecessors, (42), 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 04:10:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:10:04,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:04,438 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:10:04,438 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:04,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:04,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1810961012, now seen corresponding path program 1 times [2024-11-17 04:10:04,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:04,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128091510] [2024-11-17 04:10:04,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:04,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:04,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:04,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128091510] [2024-11-17 04:10:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128091510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:04,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:10:04,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:10:04,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557258631] [2024-11-17 04:10:04,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:04,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:10:04,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:04,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:10:04,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:10:04,639 INFO L87 Difference]: Start difference. First operand has 36 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 35 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:04,650 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2024-11-17 04:10:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:10:04,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:10:04,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:04,659 INFO L225 Difference]: With dead ends: 58 [2024-11-17 04:10:04,659 INFO L226 Difference]: Without dead ends: 27 [2024-11-17 04:10:04,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:10:04,664 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:04,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:04,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-17 04:10:04,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-17 04:10:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2024-11-17 04:10:04,692 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 6 [2024-11-17 04:10:04,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:04,693 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-17 04:10:04,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:04,694 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-17 04:10:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:10:04,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:04,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:04,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:10:04,696 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:04,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:04,697 INFO L85 PathProgramCache]: Analyzing trace with hash -305691197, now seen corresponding path program 1 times [2024-11-17 04:10:04,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721145801] [2024-11-17 04:10:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:04,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:04,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:04,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721145801] [2024-11-17 04:10:04,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721145801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:04,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:10:04,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:10:04,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298669261] [2024-11-17 04:10:04,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:04,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:10:04,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:04,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:10:04,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:10:04,802 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:04,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:04,818 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2024-11-17 04:10:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:10:04,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:10:04,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:04,820 INFO L225 Difference]: With dead ends: 47 [2024-11-17 04:10:04,820 INFO L226 Difference]: Without dead ends: 32 [2024-11-17 04:10:04,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:10:04,821 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:04,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 48 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:04,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-17 04:10:04,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2024-11-17 04:10:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 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 04:10:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2024-11-17 04:10:04,830 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 7 [2024-11-17 04:10:04,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:04,830 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2024-11-17 04:10:04,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2024-11-17 04:10:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:10:04,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:04,831 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:04,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:10:04,831 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:04,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:04,832 INFO L85 PathProgramCache]: Analyzing trace with hash -884248263, now seen corresponding path program 1 times [2024-11-17 04:10:04,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:04,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917070665] [2024-11-17 04:10:04,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:04,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:04,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:04,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:04,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917070665] [2024-11-17 04:10:04,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917070665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:04,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:10:04,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:10:04,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352672177] [2024-11-17 04:10:04,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:05,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:10:05,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:05,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:10:05,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:05,003 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 04:10:05,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:05,055 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2024-11-17 04:10:05,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:10:05,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 04:10:05,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:05,058 INFO L225 Difference]: With dead ends: 36 [2024-11-17 04:10:05,059 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 04:10:05,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:05,060 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:05,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 60 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:05,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 04:10:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2024-11-17 04:10:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 32 states have internal predecessors, (34), 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 04:10:05,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2024-11-17 04:10:05,070 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 8 [2024-11-17 04:10:05,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:05,070 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2024-11-17 04:10:05,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 04:10:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-17 04:10:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:10:05,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:05,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:05,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:10:05,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:05,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:05,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1641892372, now seen corresponding path program 1 times [2024-11-17 04:10:05,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:05,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144550601] [2024-11-17 04:10:05,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:05,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:05,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:05,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144550601] [2024-11-17 04:10:05,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144550601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:05,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:10:05,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:10:05,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293993171] [2024-11-17 04:10:05,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:05,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:10:05,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:05,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:10:05,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:05,222 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:05,265 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2024-11-17 04:10:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:10:05,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-17 04:10:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:05,266 INFO L225 Difference]: With dead ends: 36 [2024-11-17 04:10:05,266 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 04:10:05,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:05,267 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:05,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 62 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:05,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 04:10:05,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2024-11-17 04:10:05,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.25) internal successors, (35), 33 states have internal predecessors, (35), 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 04:10:05,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2024-11-17 04:10:05,278 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 9 [2024-11-17 04:10:05,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:05,278 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2024-11-17 04:10:05,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2024-11-17 04:10:05,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:10:05,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:05,279 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:05,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:10:05,280 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:05,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:05,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1865867508, now seen corresponding path program 1 times [2024-11-17 04:10:05,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:05,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759162750] [2024-11-17 04:10:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:05,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:05,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:05,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759162750] [2024-11-17 04:10:05,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759162750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:10:05,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332980903] [2024-11-17 04:10:05,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:05,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:10:05,431 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 04:10:05,432 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 04:10:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:05,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 04:10:05,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:10:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:10:05,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:10:05,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332980903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:05,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:10:05,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2024-11-17 04:10:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249418323] [2024-11-17 04:10:05,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:05,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:10:05,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:05,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:10:05,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:05,597 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:05,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:05,609 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2024-11-17 04:10:05,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:10:05,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-17 04:10:05,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:05,611 INFO L225 Difference]: With dead ends: 34 [2024-11-17 04:10:05,612 INFO L226 Difference]: Without dead ends: 33 [2024-11-17 04:10:05,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:05,613 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:05,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-17 04:10:05,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-17 04:10:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 32 states have internal predecessors, (34), 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 04:10:05,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2024-11-17 04:10:05,618 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 15 [2024-11-17 04:10:05,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:05,618 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2024-11-17 04:10:05,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:05,618 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-17 04:10:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:10:05,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:05,619 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:05,632 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 04:10:05,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:05,822 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:05,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:05,823 INFO L85 PathProgramCache]: Analyzing trace with hash -2007317903, now seen corresponding path program 1 times [2024-11-17 04:10:05,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:05,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133329269] [2024-11-17 04:10:05,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:05,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:05,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:05,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133329269] [2024-11-17 04:10:05,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133329269] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:10:05,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144774482] [2024-11-17 04:10:05,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:05,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:05,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:10:05,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:10:05,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:10:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:06,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 04:10:06,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:10:06,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:10:06,053 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:10:06,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144774482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:06,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:10:06,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2024-11-17 04:10:06,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811121228] [2024-11-17 04:10:06,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:06,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:10:06,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:06,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:10:06,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:06,056 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:06,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:06,064 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2024-11-17 04:10:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:10:06,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:10:06,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:06,065 INFO L225 Difference]: With dead ends: 33 [2024-11-17 04:10:06,066 INFO L226 Difference]: Without dead ends: 32 [2024-11-17 04:10:06,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:06,067 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:06,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 32 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:06,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-17 04:10:06,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-17 04:10:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 31 states have internal predecessors, (33), 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 04:10:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2024-11-17 04:10:06,071 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 16 [2024-11-17 04:10:06,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:06,072 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2024-11-17 04:10:06,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2024-11-17 04:10:06,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:10:06,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:06,073 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:06,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:10:06,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:10:06,275 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)] === [2024-11-17 04:10:06,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:06,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2005073648, now seen corresponding path program 1 times [2024-11-17 04:10:06,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:06,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088977722] [2024-11-17 04:10:06,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:06,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:10:06,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:06,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088977722] [2024-11-17 04:10:06,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088977722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:06,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:10:06,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:10:06,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688663444] [2024-11-17 04:10:06,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:06,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:10:06,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:06,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:10:06,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:06,361 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:06,391 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2024-11-17 04:10:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:10:06,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:10:06,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:06,393 INFO L225 Difference]: With dead ends: 32 [2024-11-17 04:10:06,393 INFO L226 Difference]: Without dead ends: 31 [2024-11-17 04:10:06,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:06,394 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:06,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 50 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:06,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-17 04:10:06,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-17 04:10:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 30 states have internal predecessors, (32), 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 04:10:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2024-11-17 04:10:06,398 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 16 [2024-11-17 04:10:06,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:06,399 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2024-11-17 04:10:06,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2024-11-17 04:10:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:10:06,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:06,401 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:10:06,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 04:10:06,401 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:06,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:06,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2027740939, now seen corresponding path program 1 times [2024-11-17 04:10:06,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:06,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460458423] [2024-11-17 04:10:06,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:06,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:06,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:06,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460458423] [2024-11-17 04:10:06,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460458423] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:10:06,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973539] [2024-11-17 04:10:06,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:06,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:06,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:10:06,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:10:06,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:10:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:06,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:10:06,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:10:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:06,699 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:10:06,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:06,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:10:06,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-17 04:10:06,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907505235] [2024-11-17 04:10:06,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:06,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:10:06,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:06,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:10:06,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:10:06,701 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:06,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:06,749 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2024-11-17 04:10:06,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:10:06,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-17 04:10:06,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:06,750 INFO L225 Difference]: With dead ends: 32 [2024-11-17 04:10:06,750 INFO L226 Difference]: Without dead ends: 31 [2024-11-17 04:10:06,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:10:06,751 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:06,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 88 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:06,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-17 04:10:06,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2024-11-17 04:10:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 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 04:10:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2024-11-17 04:10:06,755 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 17 [2024-11-17 04:10:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:06,755 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2024-11-17 04:10:06,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2024-11-17 04:10:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:10:06,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:06,756 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:06,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:10:06,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:06,961 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)] === [2024-11-17 04:10:06,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:06,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1822877768, now seen corresponding path program 1 times [2024-11-17 04:10:06,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:06,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795141328] [2024-11-17 04:10:06,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:06,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:07,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:07,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795141328] [2024-11-17 04:10:07,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795141328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:10:07,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88919194] [2024-11-17 04:10:07,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:07,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:07,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:10:07,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:10:07,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:10:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:07,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:10:07,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:10:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:07,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:10:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:10:07,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88919194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:10:07,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:10:07,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-17 04:10:07,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532129535] [2024-11-17 04:10:07,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:10:07,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:10:07,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:07,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:10:07,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:10:07,233 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 04:10:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:07,273 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2024-11-17 04:10:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:10:07,274 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-17 04:10:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:07,274 INFO L225 Difference]: With dead ends: 46 [2024-11-17 04:10:07,275 INFO L226 Difference]: Without dead ends: 33 [2024-11-17 04:10:07,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:10:07,276 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:07,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:07,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-17 04:10:07,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-17 04:10:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.096774193548387) internal successors, (34), 32 states have internal predecessors, (34), 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 04:10:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2024-11-17 04:10:07,283 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 21 [2024-11-17 04:10:07,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:07,283 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2024-11-17 04:10:07,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 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 04:10:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2024-11-17 04:10:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:10:07,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:07,287 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:07,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:10:07,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:07,488 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:07,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:07,488 INFO L85 PathProgramCache]: Analyzing trace with hash -67498543, now seen corresponding path program 2 times [2024-11-17 04:10:07,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:07,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691366528] [2024-11-17 04:10:07,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:07,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:10:07,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:07,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691366528] [2024-11-17 04:10:07,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691366528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:07,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:10:07,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:10:07,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856224729] [2024-11-17 04:10:07,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:07,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:10:07,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:07,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:10:07,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:07,556 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 04:10:07,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:07,572 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2024-11-17 04:10:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:10:07,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-17 04:10:07,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:07,573 INFO L225 Difference]: With dead ends: 33 [2024-11-17 04:10:07,573 INFO L226 Difference]: Without dead ends: 32 [2024-11-17 04:10:07,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:10:07,575 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 49 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 [2024-11-17 04:10:07,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 49 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:07,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-17 04:10:07,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-17 04:10:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.064516129032258) internal successors, (33), 31 states have internal predecessors, (33), 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 04:10:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2024-11-17 04:10:07,579 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 29 [2024-11-17 04:10:07,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:07,580 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2024-11-17 04:10:07,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 04:10:07,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2024-11-17 04:10:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:10:07,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:07,581 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:07,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 04:10:07,581 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:07,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:07,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2092454848, now seen corresponding path program 1 times [2024-11-17 04:10:07,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:07,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966078747] [2024-11-17 04:10:07,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:07,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 04:10:07,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:10:07,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966078747] [2024-11-17 04:10:07,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966078747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:10:07,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360497838] [2024-11-17 04:10:07,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:07,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:10:07,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:10:07,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:10:07,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:10:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:10:07,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:10:07,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:10:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-17 04:10:07,866 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:10:07,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360497838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:10:07,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:10:07,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-11-17 04:10:07,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366979761] [2024-11-17 04:10:07,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:10:07,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:10:07,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:10:07,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:10:07,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:10:07,870 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:07,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:10:07,895 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2024-11-17 04:10:07,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:10:07,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-17 04:10:07,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:10:07,896 INFO L225 Difference]: With dead ends: 32 [2024-11-17 04:10:07,897 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:10:07,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:10:07,897 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:10:07,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 40 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:10:07,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:10:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:10:07,898 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 04:10:07,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:10:07,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2024-11-17 04:10:07,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:10:07,899 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:10:07,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:10:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:10:07,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:10:07,903 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-17 04:10:07,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-17 04:10:07,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-17 04:10:07,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-17 04:10:07,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-17 04:10:07,904 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-17 04:10:07,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:10:08,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 04:10:08,108 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:10:08,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:10:08,149 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:10:08,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:10:08 BoogieIcfgContainer [2024-11-17 04:10:08,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:10:08,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:10:08,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:10:08,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:10:08,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:10:04" (3/4) ... [2024-11-17 04:10:08,168 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:10:08,175 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-17 04:10:08,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-17 04:10:08,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:10:08,176 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:10:08,268 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:10:08,268 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:10:08,268 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:10:08,269 INFO L158 Benchmark]: Toolchain (without parser) took 4985.30ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 81.1MB in the beginning and 66.1MB in the end (delta: 15.0MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2024-11-17 04:10:08,269 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 104.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:10:08,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.49ms. Allocated memory is still 148.9MB. Free memory was 80.9MB in the beginning and 111.0MB in the end (delta: -30.0MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-17 04:10:08,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.09ms. Allocated memory is still 148.9MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:10:08,270 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 148.9MB. Free memory was 109.0MB in the beginning and 106.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:10:08,270 INFO L158 Benchmark]: IcfgBuilder took 484.03ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 90.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-17 04:10:08,270 INFO L158 Benchmark]: TraceAbstraction took 3830.07ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 89.5MB in the beginning and 71.3MB in the end (delta: 18.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2024-11-17 04:10:08,270 INFO L158 Benchmark]: Witness Printer took 103.44ms. Allocated memory is still 180.4MB. Free memory was 71.3MB in the beginning and 66.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-17 04:10:08,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 104.9MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.49ms. Allocated memory is still 148.9MB. Free memory was 80.9MB in the beginning and 111.0MB in the end (delta: -30.0MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.09ms. Allocated memory is still 148.9MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 148.9MB. Free memory was 109.0MB in the beginning and 106.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 484.03ms. Allocated memory is still 148.9MB. Free memory was 106.3MB in the beginning and 90.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3830.07ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 89.5MB in the beginning and 71.3MB in the end (delta: 18.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 103.44ms. Allocated memory is still 180.4MB. Free memory was 71.3MB in the beginning and 66.1MB 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.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: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 584 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 339 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 245 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 122 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 43, 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, 11 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 719 SizeOfPredicates, 2 NumberOfNonLiveVariables, 794 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 48/70 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: 602]: Location Invariant Derived location invariant: null - InvariantResult [Line: 585]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 04:10:08,298 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