./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.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/uthash-2.0.2/uthash_BER_nondet_test2-2.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 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:14:20,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:14:20,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:14:20,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:14:20,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:14:20,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:14:20,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:14:20,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:14:20,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:14:20,897 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:14:20,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:14:20,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:14:20,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:14:20,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:14:20,898 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:14:20,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:14:20,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:14:20,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:14:20,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:14:20,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:14:20,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:14:20,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:14:20,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:14:20,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:14:20,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:14:20,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:14:20,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:14:20,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:14:20,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:14:20,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:14:20,913 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:14:20,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:14:20,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:14:20,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:14:20,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:14:20,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:14:20,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:14:20,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:14:20,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:14:20,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:14:20,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:14:20,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:14:20,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:14:20,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:14:20,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-11-17 07:14:21,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:14:21,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:14:21,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:14:21,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:14:21,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:14:21,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2024-11-17 07:14:22,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:14:23,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:14:23,062 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-2.i [2024-11-17 07:14:23,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34c8564f/054e83118612452f8cb3b8b09ef28d10/FLAG628e68be8 [2024-11-17 07:14:23,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c34c8564f/054e83118612452f8cb3b8b09ef28d10 [2024-11-17 07:14:23,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:14:23,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:14:23,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:14:23,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:14:23,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:14:23,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:14:23" (1/1) ... [2024-11-17 07:14:23,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701f6ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:23, skipping insertion in model container [2024-11-17 07:14:23,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:14:23" (1/1) ... [2024-11-17 07:14:23,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:14:23,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:14:23,948 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:14:24,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:14:24,107 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:14:24,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24 WrapperNode [2024-11-17 07:14:24,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:14:24,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:14:24,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:14:24,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:14:24,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,207 INFO L138 Inliner]: procedures = 207, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1416 [2024-11-17 07:14:24,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:14:24,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:14:24,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:14:24,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:14:24,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,241 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,329 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 34, 218]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-17 07:14:24,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,380 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:14:24,417 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:14:24,417 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:14:24,417 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:14:24,419 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (1/1) ... [2024-11-17 07:14:24,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:14:24,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:24,453 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 07:14:24,459 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 07:14:24,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:14:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:14:24,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:14:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:14:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:14:24,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:14:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:14:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:14:24,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:14:24,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:14:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:14:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:14:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:14:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:14:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:14:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:14:24,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:14:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:14:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:14:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:14:24,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:14:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:14:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:14:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:14:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:14:24,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:14:24,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:14:24,758 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:14:24,761 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:14:26,091 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L812: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 07:14:26,219 INFO L? ?]: Removed 329 outVars from TransFormulas that were not future-live. [2024-11-17 07:14:26,220 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:14:26,354 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:14:26,356 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:14:26,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:14:26 BoogieIcfgContainer [2024-11-17 07:14:26,359 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:14:26,361 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:14:26,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:14:26,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:14:26,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:14:23" (1/3) ... [2024-11-17 07:14:26,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5250f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:14:26, skipping insertion in model container [2024-11-17 07:14:26,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:24" (2/3) ... [2024-11-17 07:14:26,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5250f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:14:26, skipping insertion in model container [2024-11-17 07:14:26,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:14:26" (3/3) ... [2024-11-17 07:14:26,369 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test2-2.i [2024-11-17 07:14:26,383 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:14:26,383 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 07:14:26,456 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:14:26,465 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;@31b4c670, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:14:26,465 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 07:14:26,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 419 states, 408 states have (on average 1.6151960784313726) internal successors, (659), 414 states have internal predecessors, (659), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:14:26,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:26,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:26,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:26,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:26,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1749707724, now seen corresponding path program 1 times [2024-11-17 07:14:26,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:26,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876249672] [2024-11-17 07:14:26,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:26,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:26,676 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 07:14:26,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:26,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876249672] [2024-11-17 07:14:26,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876249672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:26,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:26,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:14:26,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697305283] [2024-11-17 07:14:26,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:26,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:14:26,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:26,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:14:26,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:14:26,713 INFO L87 Difference]: Start difference. First operand has 419 states, 408 states have (on average 1.6151960784313726) internal successors, (659), 414 states have internal predecessors, (659), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 07:14:26,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:26,864 INFO L93 Difference]: Finished difference Result 834 states and 1325 transitions. [2024-11-17 07:14:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:14:26,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 07:14:26,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:26,876 INFO L225 Difference]: With dead ends: 834 [2024-11-17 07:14:26,876 INFO L226 Difference]: Without dead ends: 378 [2024-11-17 07:14:26,883 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 07:14:26,886 INFO L432 NwaCegarLoop]: 553 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:26,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 553 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:26,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-17 07:14:26,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2024-11-17 07:14:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 368 states have (on average 1.453804347826087) internal successors, (535), 373 states have internal predecessors, (535), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 541 transitions. [2024-11-17 07:14:26,968 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 541 transitions. Word has length 8 [2024-11-17 07:14:26,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:26,970 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 541 transitions. [2024-11-17 07:14:26,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 07:14:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 541 transitions. [2024-11-17 07:14:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:14:26,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:26,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:26,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:14:26,972 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:26,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:26,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1749706763, now seen corresponding path program 1 times [2024-11-17 07:14:26,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:26,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757249033] [2024-11-17 07:14:26,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:26,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:14:27,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [149299216] [2024-11-17 07:14:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:27,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:27,028 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 07:14:27,029 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 07:14:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:27,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:14:27,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:27,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:27,279 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 07:14:27,279 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:27,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:27,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757249033] [2024-11-17 07:14:27,280 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:14:27,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149299216] [2024-11-17 07:14:27,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149299216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:27,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:27,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:14:27,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020234545] [2024-11-17 07:14:27,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:27,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:27,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:27,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:27,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:27,286 INFO L87 Difference]: Start difference. First operand 378 states and 541 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 07:14:27,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:27,563 INFO L93 Difference]: Finished difference Result 749 states and 1075 transitions. [2024-11-17 07:14:27,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:27,564 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 07:14:27,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:27,568 INFO L225 Difference]: With dead ends: 749 [2024-11-17 07:14:27,568 INFO L226 Difference]: Without dead ends: 747 [2024-11-17 07:14:27,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:27,570 INFO L432 NwaCegarLoop]: 476 mSDtfsCounter, 522 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:27,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1423 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:14:27,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-17 07:14:27,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 384. [2024-11-17 07:14:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 374 states have (on average 1.4491978609625669) internal successors, (542), 379 states have internal predecessors, (542), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 548 transitions. [2024-11-17 07:14:27,601 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 548 transitions. Word has length 8 [2024-11-17 07:14:27,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:27,601 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 548 transitions. [2024-11-17 07:14:27,601 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 07:14:27,601 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 548 transitions. [2024-11-17 07:14:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 07:14:27,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:27,604 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:27,621 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 07:14:27,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:27,811 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:27,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:27,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1837331986, now seen corresponding path program 1 times [2024-11-17 07:14:27,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:27,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390326632] [2024-11-17 07:14:27,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:27,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:28,189 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 07:14:28,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:28,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390326632] [2024-11-17 07:14:28,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390326632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:28,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:28,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:14:28,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528741594] [2024-11-17 07:14:28,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:28,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:28,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:28,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:28,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:28,193 INFO L87 Difference]: Start difference. First operand 384 states and 548 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 07:14:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:28,349 INFO L93 Difference]: Finished difference Result 505 states and 720 transitions. [2024-11-17 07:14:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:14:28,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-17 07:14:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:28,352 INFO L225 Difference]: With dead ends: 505 [2024-11-17 07:14:28,352 INFO L226 Difference]: Without dead ends: 342 [2024-11-17 07:14:28,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:28,353 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 30 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:28,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1201 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:28,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-17 07:14:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 342. [2024-11-17 07:14:28,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 332 states have (on average 1.4006024096385543) internal successors, (465), 337 states have internal predecessors, (465), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 471 transitions. [2024-11-17 07:14:28,375 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 471 transitions. Word has length 68 [2024-11-17 07:14:28,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:28,376 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 471 transitions. [2024-11-17 07:14:28,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 07:14:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 471 transitions. [2024-11-17 07:14:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 07:14:28,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:28,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:28,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:14:28,385 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:28,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:28,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1689584427, now seen corresponding path program 1 times [2024-11-17 07:14:28,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:28,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745035868] [2024-11-17 07:14:28,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:28,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:28,679 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 07:14:28,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:28,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745035868] [2024-11-17 07:14:28,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745035868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:28,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:28,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:14:28,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435286698] [2024-11-17 07:14:28,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:28,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:28,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:28,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:28,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:28,682 INFO L87 Difference]: Start difference. First operand 342 states and 471 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 07:14:28,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:28,860 INFO L93 Difference]: Finished difference Result 663 states and 919 transitions. [2024-11-17 07:14:28,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:28,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-17 07:14:28,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:28,866 INFO L225 Difference]: With dead ends: 663 [2024-11-17 07:14:28,866 INFO L226 Difference]: Without dead ends: 661 [2024-11-17 07:14:28,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:28,869 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 380 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:28,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1309 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:28,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-17 07:14:28,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 460. [2024-11-17 07:14:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 450 states have (on average 1.3844444444444444) internal successors, (623), 455 states have internal predecessors, (623), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 629 transitions. [2024-11-17 07:14:28,893 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 629 transitions. Word has length 68 [2024-11-17 07:14:28,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:28,893 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 629 transitions. [2024-11-17 07:14:28,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 07:14:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 629 transitions. [2024-11-17 07:14:28,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:14:28,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:28,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:28,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:14:28,900 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 07:14:28,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:28,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1543980124, now seen corresponding path program 1 times [2024-11-17 07:14:28,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:28,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124492387] [2024-11-17 07:14:28,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:28,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:29,151 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 07:14:29,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124492387] [2024-11-17 07:14:29,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124492387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:29,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:29,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:14:29,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999434793] [2024-11-17 07:14:29,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:29,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:29,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:29,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:29,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:29,156 INFO L87 Difference]: Start difference. First operand 460 states and 629 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 07:14:29,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:29,281 INFO L93 Difference]: Finished difference Result 869 states and 1182 transitions. [2024-11-17 07:14:29,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:14:29,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 84 [2024-11-17 07:14:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:29,286 INFO L225 Difference]: With dead ends: 869 [2024-11-17 07:14:29,286 INFO L226 Difference]: Without dead ends: 418 [2024-11-17 07:14:29,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:29,288 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 30 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:29,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 979 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:29,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-17 07:14:29,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2024-11-17 07:14:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 408 states have (on average 1.338235294117647) internal successors, (546), 413 states have internal predecessors, (546), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 552 transitions. [2024-11-17 07:14:29,304 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 552 transitions. Word has length 84 [2024-11-17 07:14:29,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:29,304 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 552 transitions. [2024-11-17 07:14:29,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 07:14:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 552 transitions. [2024-11-17 07:14:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:14:29,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:29,311 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:29,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:14:29,311 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:29,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:29,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2088655510, now seen corresponding path program 1 times [2024-11-17 07:14:29,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:29,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388489067] [2024-11-17 07:14:29,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:29,486 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 07:14:29,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:29,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388489067] [2024-11-17 07:14:29,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388489067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:29,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:29,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:14:29,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354970665] [2024-11-17 07:14:29,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:29,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:14:29,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:29,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:14:29,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:14:29,491 INFO L87 Difference]: Start difference. First operand 418 states and 552 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 07:14:29,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:29,601 INFO L93 Difference]: Finished difference Result 1110 states and 1473 transitions. [2024-11-17 07:14:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:14:29,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2024-11-17 07:14:29,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:29,604 INFO L225 Difference]: With dead ends: 1110 [2024-11-17 07:14:29,605 INFO L226 Difference]: Without dead ends: 701 [2024-11-17 07:14:29,606 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 07:14:29,609 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 184 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:29,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 687 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:29,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-17 07:14:29,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 699. [2024-11-17 07:14:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 689 states have (on average 1.3381712626995645) internal successors, (922), 694 states have internal predecessors, (922), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 928 transitions. [2024-11-17 07:14:29,631 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 928 transitions. Word has length 84 [2024-11-17 07:14:29,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:29,633 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 928 transitions. [2024-11-17 07:14:29,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 07:14:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 928 transitions. [2024-11-17 07:14:29,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:14:29,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:29,635 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:29,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:14:29,635 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:29,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:29,636 INFO L85 PathProgramCache]: Analyzing trace with hash 606381677, now seen corresponding path program 1 times [2024-11-17 07:14:29,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:29,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863141643] [2024-11-17 07:14:29,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:29,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:30,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:14:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:30,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:14:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:30,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:30,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863141643] [2024-11-17 07:14:30,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863141643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:30,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:30,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:14:30,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791928043] [2024-11-17 07:14:30,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:30,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:14:30,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:30,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:14:30,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:30,097 INFO L87 Difference]: Start difference. First operand 699 states and 928 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:30,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:30,455 INFO L93 Difference]: Finished difference Result 772 states and 1027 transitions. [2024-11-17 07:14:30,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:14:30,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-11-17 07:14:30,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:30,461 INFO L225 Difference]: With dead ends: 772 [2024-11-17 07:14:30,461 INFO L226 Difference]: Without dead ends: 770 [2024-11-17 07:14:30,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:14:30,462 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 271 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:30,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1390 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:14:30,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-11-17 07:14:30,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 764. [2024-11-17 07:14:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 751 states have (on average 1.33288948069241) internal successors, (1001), 756 states have internal predecessors, (1001), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:30,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1013 transitions. [2024-11-17 07:14:30,503 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1013 transitions. Word has length 99 [2024-11-17 07:14:30,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:30,506 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 1013 transitions. [2024-11-17 07:14:30,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1013 transitions. [2024-11-17 07:14:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 07:14:30,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:30,507 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:30,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:14:30,507 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:30,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:30,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1168486209, now seen corresponding path program 1 times [2024-11-17 07:14:30,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:30,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971282809] [2024-11-17 07:14:30,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:30,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:14:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:14:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:31,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:31,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971282809] [2024-11-17 07:14:31,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971282809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:31,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405433339] [2024-11-17 07:14:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:31,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:31,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:31,020 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 07:14:31,022 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 07:14:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 07:14:31,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:31,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:31,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:31,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 07:14:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:32,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:32,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405433339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:32,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:32,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 07:14:32,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510022838] [2024-11-17 07:14:32,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:32,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:14:32,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:32,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:14:32,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:14:32,276 INFO L87 Difference]: Start difference. First operand 764 states and 1013 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:33,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:33,544 INFO L93 Difference]: Finished difference Result 1407 states and 1866 transitions. [2024-11-17 07:14:33,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:14:33,545 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-17 07:14:33,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:33,548 INFO L225 Difference]: With dead ends: 1407 [2024-11-17 07:14:33,548 INFO L226 Difference]: Without dead ends: 781 [2024-11-17 07:14:33,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:14:33,550 INFO L432 NwaCegarLoop]: 380 mSDtfsCounter, 482 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:33,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1954 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:14:33,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-17 07:14:33,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 764. [2024-11-17 07:14:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 751 states have (on average 1.3315579227696406) internal successors, (1000), 756 states have internal predecessors, (1000), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1012 transitions. [2024-11-17 07:14:33,570 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1012 transitions. Word has length 106 [2024-11-17 07:14:33,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:33,570 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 1012 transitions. [2024-11-17 07:14:33,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1012 transitions. [2024-11-17 07:14:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-17 07:14:33,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:33,573 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:33,594 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 07:14:33,775 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,SelfDestructingSolverStorable7 [2024-11-17 07:14:33,776 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:33,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:33,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1811171596, now seen corresponding path program 1 times [2024-11-17 07:14:33,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:33,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319344633] [2024-11-17 07:14:33,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:33,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 07:14:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 07:14:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:34,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319344633] [2024-11-17 07:14:34,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319344633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:34,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482315837] [2024-11-17 07:14:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:34,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:34,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:34,362 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 07:14:34,365 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 07:14:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-17 07:14:34,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:34,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:34,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:34,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 07:14:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:35,782 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:35,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482315837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:35,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:35,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-17 07:14:35,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268017069] [2024-11-17 07:14:35,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:35,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:14:35,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:35,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:14:35,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:14:35,784 INFO L87 Difference]: Start difference. First operand 764 states and 1012 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:37,263 INFO L93 Difference]: Finished difference Result 1422 states and 1886 transitions. [2024-11-17 07:14:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 07:14:37,264 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-17 07:14:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:37,267 INFO L225 Difference]: With dead ends: 1422 [2024-11-17 07:14:37,268 INFO L226 Difference]: Without dead ends: 801 [2024-11-17 07:14:37,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:14:37,270 INFO L432 NwaCegarLoop]: 376 mSDtfsCounter, 543 mSDsluCounter, 2231 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 2607 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:37,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 2607 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 07:14:37,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-11-17 07:14:37,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 780. [2024-11-17 07:14:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 767 states have (on average 1.3298565840938723) internal successors, (1020), 772 states have internal predecessors, (1020), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1032 transitions. [2024-11-17 07:14:37,296 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1032 transitions. Word has length 107 [2024-11-17 07:14:37,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:37,297 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1032 transitions. [2024-11-17 07:14:37,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1032 transitions. [2024-11-17 07:14:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-17 07:14:37,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:37,299 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:37,319 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 07:14:37,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:37,503 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:37,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:37,503 INFO L85 PathProgramCache]: Analyzing trace with hash -711841498, now seen corresponding path program 1 times [2024-11-17 07:14:37,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:37,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235679405] [2024-11-17 07:14:37,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:37,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:37,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:14:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:14:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:37,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:37,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235679405] [2024-11-17 07:14:37,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235679405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:37,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:37,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:14:37,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107801824] [2024-11-17 07:14:37,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:37,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:14:37,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:37,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:14:37,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:14:37,888 INFO L87 Difference]: Start difference. First operand 780 states and 1032 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:38,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:38,430 INFO L93 Difference]: Finished difference Result 1421 states and 1892 transitions. [2024-11-17 07:14:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:14:38,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2024-11-17 07:14:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:38,435 INFO L225 Difference]: With dead ends: 1421 [2024-11-17 07:14:38,435 INFO L226 Difference]: Without dead ends: 793 [2024-11-17 07:14:38,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:14:38,437 INFO L432 NwaCegarLoop]: 333 mSDtfsCounter, 17 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1989 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:38,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1989 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:14:38,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-17 07:14:38,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 788. [2024-11-17 07:14:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 775 states have (on average 1.3290322580645162) internal successors, (1030), 780 states have internal predecessors, (1030), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1042 transitions. [2024-11-17 07:14:38,465 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1042 transitions. Word has length 108 [2024-11-17 07:14:38,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:38,465 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1042 transitions. [2024-11-17 07:14:38,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1042 transitions. [2024-11-17 07:14:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-17 07:14:38,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:38,467 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:38,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 07:14:38,467 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:38,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:38,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1821599134, now seen corresponding path program 1 times [2024-11-17 07:14:38,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:38,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159860688] [2024-11-17 07:14:38,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:38,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:14:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:14:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:38,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:38,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159860688] [2024-11-17 07:14:38,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159860688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:38,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:38,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:14:38,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153558266] [2024-11-17 07:14:38,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:38,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:14:38,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:38,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:14:38,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:14:38,857 INFO L87 Difference]: Start difference. First operand 788 states and 1042 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:39,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:39,313 INFO L93 Difference]: Finished difference Result 1436 states and 1912 transitions. [2024-11-17 07:14:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:14:39,314 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2024-11-17 07:14:39,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:39,318 INFO L225 Difference]: With dead ends: 1436 [2024-11-17 07:14:39,319 INFO L226 Difference]: Without dead ends: 797 [2024-11-17 07:14:39,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:14:39,321 INFO L432 NwaCegarLoop]: 343 mSDtfsCounter, 12 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:39,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1479 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:14:39,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2024-11-17 07:14:39,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 794. [2024-11-17 07:14:39,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 781 states have (on average 1.326504481434059) internal successors, (1036), 786 states have internal predecessors, (1036), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1048 transitions. [2024-11-17 07:14:39,343 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1048 transitions. Word has length 108 [2024-11-17 07:14:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:39,343 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 1048 transitions. [2024-11-17 07:14:39,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1048 transitions. [2024-11-17 07:14:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 07:14:39,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:39,345 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:39,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 07:14:39,345 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:39,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:39,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1220750149, now seen corresponding path program 1 times [2024-11-17 07:14:39,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:39,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919225714] [2024-11-17 07:14:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:39,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:14:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:39,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:14:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:39,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:39,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919225714] [2024-11-17 07:14:39,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919225714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:39,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597961147] [2024-11-17 07:14:39,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:39,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:39,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:39,754 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 07:14:39,756 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 07:14:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:40,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 07:14:40,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:40,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:40,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597961147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:40,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:40,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:14:40,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016350239] [2024-11-17 07:14:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:40,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:14:40,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:40,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:14:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:40,271 INFO L87 Difference]: Start difference. First operand 794 states and 1048 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:40,639 INFO L93 Difference]: Finished difference Result 1449 states and 1920 transitions. [2024-11-17 07:14:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:14:40,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2024-11-17 07:14:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:40,642 INFO L225 Difference]: With dead ends: 1449 [2024-11-17 07:14:40,642 INFO L226 Difference]: Without dead ends: 800 [2024-11-17 07:14:40,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:14:40,644 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 44 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 1735 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:40,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 1735 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:14:40,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-17 07:14:40,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 782. [2024-11-17 07:14:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 769 states have (on average 1.3237971391417425) internal successors, (1018), 774 states have internal predecessors, (1018), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1030 transitions. [2024-11-17 07:14:40,667 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1030 transitions. Word has length 109 [2024-11-17 07:14:40,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:40,667 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 1030 transitions. [2024-11-17 07:14:40,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1030 transitions. [2024-11-17 07:14:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 07:14:40,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:40,668 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:40,689 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 07:14:40,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:40,870 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:40,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:40,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1094468995, now seen corresponding path program 1 times [2024-11-17 07:14:40,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:40,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778982812] [2024-11-17 07:14:40,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:40,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:41,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:14:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:14:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:41,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:41,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778982812] [2024-11-17 07:14:41,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778982812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:41,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501500244] [2024-11-17 07:14:41,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:41,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:41,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:41,245 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 07:14:41,247 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 07:14:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:42,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:14:42,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:42,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:42,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501500244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:42,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:42,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-17 07:14:42,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139182894] [2024-11-17 07:14:42,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:42,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:42,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:42,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:42,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:14:42,039 INFO L87 Difference]: Start difference. First operand 782 states and 1030 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:14:42,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:42,121 INFO L93 Difference]: Finished difference Result 1370 states and 1809 transitions. [2024-11-17 07:14:42,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:42,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 109 [2024-11-17 07:14:42,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:42,125 INFO L225 Difference]: With dead ends: 1370 [2024-11-17 07:14:42,125 INFO L226 Difference]: Without dead ends: 785 [2024-11-17 07:14:42,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:14:42,127 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:42,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1040 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:42,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-17 07:14:42,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2024-11-17 07:14:42,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 771 states have (on average 1.324254215304799) internal successors, (1021), 777 states have internal predecessors, (1021), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:14:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1035 transitions. [2024-11-17 07:14:42,147 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1035 transitions. Word has length 109 [2024-11-17 07:14:42,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:42,148 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 1035 transitions. [2024-11-17 07:14:42,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:14:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1035 transitions. [2024-11-17 07:14:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 07:14:42,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:42,149 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:42,169 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 07:14:42,350 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,SelfDestructingSolverStorable12 [2024-11-17 07:14:42,351 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:42,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:42,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1066504895, now seen corresponding path program 1 times [2024-11-17 07:14:42,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:42,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353003737] [2024-11-17 07:14:42,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:42,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:42,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:14:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:42,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:14:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:42,785 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:14:42,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:42,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353003737] [2024-11-17 07:14:42,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353003737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:42,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033595955] [2024-11-17 07:14:42,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:42,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:42,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:42,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:42,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 07:14:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:43,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 07:14:43,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:43,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:14:43,632 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:14:43,919 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:14:43,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033595955] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:14:43,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:14:43,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 9] total 18 [2024-11-17 07:14:43,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453327066] [2024-11-17 07:14:43,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:14:43,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 07:14:43,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:43,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 07:14:43,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-17 07:14:43,921 INFO L87 Difference]: Start difference. First operand 785 states and 1035 transitions. Second operand has 18 states, 18 states have (on average 11.944444444444445) internal successors, (215), 17 states have internal predecessors, (215), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:14:48,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-17 07:14:52,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-17 07:14:56,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-17 07:14:57,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:57,237 INFO L93 Difference]: Finished difference Result 1479 states and 1956 transitions. [2024-11-17 07:14:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-17 07:14:57,238 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.944444444444445) internal successors, (215), 17 states have internal predecessors, (215), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 111 [2024-11-17 07:14:57,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:57,242 INFO L225 Difference]: With dead ends: 1479 [2024-11-17 07:14:57,243 INFO L226 Difference]: Without dead ends: 889 [2024-11-17 07:14:57,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 211 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 07:14:57,244 INFO L432 NwaCegarLoop]: 400 mSDtfsCounter, 891 mSDsluCounter, 3562 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 33 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:57,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 3962 Invalid, 776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 740 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2024-11-17 07:14:57,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2024-11-17 07:14:57,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 872. [2024-11-17 07:14:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 853 states have (on average 1.3294255568581477) internal successors, (1134), 859 states have internal predecessors, (1134), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 07:14:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1155 transitions. [2024-11-17 07:14:57,276 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1155 transitions. Word has length 111 [2024-11-17 07:14:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:57,277 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1155 transitions. [2024-11-17 07:14:57,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.944444444444445) internal successors, (215), 17 states have internal predecessors, (215), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 07:14:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1155 transitions. [2024-11-17 07:14:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-17 07:14:57,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:57,279 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:57,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:14:57,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:57,480 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:57,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:57,480 INFO L85 PathProgramCache]: Analyzing trace with hash -551304189, now seen corresponding path program 2 times [2024-11-17 07:14:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:57,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249146272] [2024-11-17 07:14:57,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:57,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:14:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:58,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:14:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:58,069 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 07:14:58,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:58,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249146272] [2024-11-17 07:14:58,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249146272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:58,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630840855] [2024-11-17 07:14:58,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:14:58,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:58,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:58,072 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:58,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 07:14:58,386 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 07:14:58,386 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:14:58,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:14:58,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:58,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-17 07:14:58,413 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-17 07:14:58,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:58,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630840855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:58,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:58,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-17 07:14:58,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865729422] [2024-11-17 07:14:58,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:58,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:14:58,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:58,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:14:58,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:14:58,416 INFO L87 Difference]: Start difference. First operand 872 states and 1155 transitions. Second operand has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:58,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:58,486 INFO L93 Difference]: Finished difference Result 872 states and 1155 transitions. [2024-11-17 07:14:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:14:58,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 115 [2024-11-17 07:14:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:58,492 INFO L225 Difference]: With dead ends: 872 [2024-11-17 07:14:58,492 INFO L226 Difference]: Without dead ends: 871 [2024-11-17 07:14:58,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:14:58,494 INFO L432 NwaCegarLoop]: 346 mSDtfsCounter, 2 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:58,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 690 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 07:14:58,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2024-11-17 07:14:58,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 871. [2024-11-17 07:14:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 853 states have (on average 1.328253223915592) internal successors, (1133), 858 states have internal predecessors, (1133), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 07:14:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1154 transitions. [2024-11-17 07:14:58,533 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1154 transitions. Word has length 115 [2024-11-17 07:14:58,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:58,533 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1154 transitions. [2024-11-17 07:14:58,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1154 transitions. [2024-11-17 07:14:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-17 07:14:58,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:58,535 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:58,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 07:14:58,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:58,740 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:58,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:58,740 INFO L85 PathProgramCache]: Analyzing trace with hash 89440003, now seen corresponding path program 1 times [2024-11-17 07:14:58,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:58,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324753530] [2024-11-17 07:14:58,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:58,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:59,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:14:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:14:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 07:14:59,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:59,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324753530] [2024-11-17 07:14:59,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324753530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:59,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010649620] [2024-11-17 07:14:59,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:59,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:59,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:59,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:59,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:14:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:59,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 07:14:59,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 07:14:59,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:14:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 07:14:59,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010649620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:14:59,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:14:59,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 15 [2024-11-17 07:14:59,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396117441] [2024-11-17 07:14:59,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:14:59,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 07:14:59,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:59,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 07:14:59,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:14:59,981 INFO L87 Difference]: Start difference. First operand 871 states and 1154 transitions. Second operand has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 2 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:00,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:00,529 INFO L93 Difference]: Finished difference Result 1559 states and 2073 transitions. [2024-11-17 07:15:00,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 07:15:00,529 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 2 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 116 [2024-11-17 07:15:00,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:00,533 INFO L225 Difference]: With dead ends: 1559 [2024-11-17 07:15:00,533 INFO L226 Difference]: Without dead ends: 889 [2024-11-17 07:15:00,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2024-11-17 07:15:00,535 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 32 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:00,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1947 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:15:00,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2024-11-17 07:15:00,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 881. [2024-11-17 07:15:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 862 states have (on average 1.334106728538283) internal successors, (1150), 868 states have internal predecessors, (1150), 7 states have call successors, (7), 4 states have call predecessors, (7), 7 states have return successors, (13), 8 states have call predecessors, (13), 7 states have call successors, (13) [2024-11-17 07:15:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1170 transitions. [2024-11-17 07:15:00,563 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1170 transitions. Word has length 116 [2024-11-17 07:15:00,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:00,563 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1170 transitions. [2024-11-17 07:15:00,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 2 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1170 transitions. [2024-11-17 07:15:00,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 07:15:00,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:00,565 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:00,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 07:15:00,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 07:15:00,770 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:15:00,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:00,770 INFO L85 PathProgramCache]: Analyzing trace with hash -547747325, now seen corresponding path program 2 times [2024-11-17 07:15:00,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:00,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546069443] [2024-11-17 07:15:00,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:00,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:15:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:01,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-17 07:15:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 6 proven. 58 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 07:15:01,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:01,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546069443] [2024-11-17 07:15:01,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546069443] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:01,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291641296] [2024-11-17 07:15:01,425 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:15:01,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:01,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:01,427 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:15:01,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 07:15:02,103 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:15:02,104 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:15:02,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 07:15:02,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 07:15:02,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:15:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 07:15:02,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291641296] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:15:02,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:15:02,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 23 [2024-11-17 07:15:02,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231183770] [2024-11-17 07:15:02,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:15:02,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 07:15:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:02,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 07:15:02,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2024-11-17 07:15:02,409 INFO L87 Difference]: Start difference. First operand 881 states and 1170 transitions. Second operand has 23 states, 23 states have (on average 5.782608695652174) internal successors, (133), 22 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:03,205 INFO L93 Difference]: Finished difference Result 1535 states and 2045 transitions. [2024-11-17 07:15:03,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-17 07:15:03,207 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.782608695652174) internal successors, (133), 22 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 120 [2024-11-17 07:15:03,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:03,211 INFO L225 Difference]: With dead ends: 1535 [2024-11-17 07:15:03,211 INFO L226 Difference]: Without dead ends: 849 [2024-11-17 07:15:03,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=344, Invalid=916, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 07:15:03,213 INFO L432 NwaCegarLoop]: 336 mSDtfsCounter, 39 mSDsluCounter, 2939 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 3275 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:03,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 3275 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:15:03,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-11-17 07:15:03,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 835. [2024-11-17 07:15:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 818 states have (on average 1.343520782396088) internal successors, (1099), 824 states have internal predecessors, (1099), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:15:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1113 transitions. [2024-11-17 07:15:03,247 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1113 transitions. Word has length 120 [2024-11-17 07:15:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:03,247 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1113 transitions. [2024-11-17 07:15:03,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.782608695652174) internal successors, (133), 22 states have internal predecessors, (133), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:03,248 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1113 transitions. [2024-11-17 07:15:03,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-17 07:15:03,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:03,250 INFO L215 NwaCegarLoop]: trace histogram [19, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:03,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 07:15:03,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:15:03,451 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:15:03,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:03,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1509477713, now seen corresponding path program 3 times [2024-11-17 07:15:03,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:03,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755497368] [2024-11-17 07:15:03,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:03,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:15:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 07:15:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 6 proven. 134 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-17 07:15:04,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:04,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755497368] [2024-11-17 07:15:04,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755497368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:04,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84113208] [2024-11-17 07:15:04,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 07:15:04,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:04,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:04,250 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:15:04,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 07:15:04,679 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 07:15:04,680 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:15:04,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 07:15:04,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-11-17 07:15:32,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:15:32,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84113208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:32,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:15:32,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-17 07:15:32,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049104543] [2024-11-17 07:15:32,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:32,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:15:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:15:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-11-17 07:15:32,934 INFO L87 Difference]: Start difference. First operand 835 states and 1113 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:15:37,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-17 07:15:41,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-17 07:15:45,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]