./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.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 be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:16:39,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:16:39,417 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:16:39,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:16:39,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:16:39,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:16:39,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:16:39,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:16:39,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:16:39,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:16:39,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:16:39,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:16:39,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:16:39,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:16:39,450 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:16:39,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:16:39,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:16:39,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:16:39,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:16:39,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:16:39,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:16:39,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:16:39,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:16:39,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:16:39,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:16:39,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:16:39,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:16:39,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:16:39,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:16:39,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:16:39,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:16:39,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:16:39,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:16:39,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:16:39,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:16:39,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:16:39,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:16:39,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:16:39,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:16:39,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:16:39,455 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:16:39,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:16:39,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:16:39,456 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:16:39,456 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-10-24 23:16:39,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:16:39,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:16:39,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:16:39,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:16:39,695 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:16:39,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i [2024-10-24 23:16:40,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:16:41,171 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:16:41,171 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test3-2.i [2024-10-24 23:16:41,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45d58c0fc/736e263525284f98aecb82db52dc8f80/FLAG54efd3b99 [2024-10-24 23:16:41,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45d58c0fc/736e263525284f98aecb82db52dc8f80 [2024-10-24 23:16:41,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:16:41,209 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:16:41,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:16:41,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:16:41,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:16:41,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a15fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41, skipping insertion in model container [2024-10-24 23:16:41,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:16:41,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:16:41,664 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:16:41,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:16:41,774 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:16:41,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41 WrapperNode [2024-10-24 23:16:41,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:16:41,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:16:41,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:16:41,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:16:41,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,873 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1608 [2024-10-24 23:16:41,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:16:41,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:16:41,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:16:41,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:16:41,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,971 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [2, 34, 266]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-10-24 23:16:41,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:41,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:42,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:42,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:42,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:42,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:42,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:16:42,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:16:42,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:16:42,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:16:42,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (1/1) ... [2024-10-24 23:16:42,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:16:42,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:42,073 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) [2024-10-24 23:16:42,075 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 [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 23:16:42,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:16:42,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 23:16:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 23:16:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 23:16:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 23:16:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 23:16:42,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 23:16:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:16:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:16:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:16:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:16:42,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:16:42,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:16:42,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:16:42,315 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:16:42,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:16:43,467 INFO L? ?]: Removed 347 outVars from TransFormulas that were not future-live. [2024-10-24 23:16:43,467 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:16:43,510 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:16:43,510 INFO L314 CfgBuilder]: Removed 72 assume(true) statements. [2024-10-24 23:16:43,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:43 BoogieIcfgContainer [2024-10-24 23:16:43,511 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:16:43,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:16:43,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:16:43,515 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:16:43,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:16:41" (1/3) ... [2024-10-24 23:16:43,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121a201c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:43, skipping insertion in model container [2024-10-24 23:16:43,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:16:41" (2/3) ... [2024-10-24 23:16:43,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121a201c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:16:43, skipping insertion in model container [2024-10-24 23:16:43,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:16:43" (3/3) ... [2024-10-24 23:16:43,517 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test3-2.i [2024-10-24 23:16:43,529 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:16:43,529 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 23:16:43,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:16:43,595 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;@6c5126af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:16:43,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 23:16:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 430 states have (on average 1.6325581395348838) internal successors, (702), 437 states have internal predecessors, (702), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 23:16:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 23:16:43,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:43,605 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:43,605 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:43,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:43,609 INFO L85 PathProgramCache]: Analyzing trace with hash -123256555, now seen corresponding path program 1 times [2024-10-24 23:16:43,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:43,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977872117] [2024-10-24 23:16:43,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:43,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:43,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:43,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977872117] [2024-10-24 23:16:43,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977872117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:43,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:43,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:16:43,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883906993] [2024-10-24 23:16:43,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:43,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:16:43,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:43,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:16:43,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:16:43,781 INFO L87 Difference]: Start difference. First operand has 444 states, 430 states have (on average 1.6325581395348838) internal successors, (702), 437 states have internal predecessors, (702), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:43,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:43,851 INFO L93 Difference]: Finished difference Result 885 states and 1422 transitions. [2024-10-24 23:16:43,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:16:43,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 23:16:43,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:43,860 INFO L225 Difference]: With dead ends: 885 [2024-10-24 23:16:43,860 INFO L226 Difference]: Without dead ends: 401 [2024-10-24 23:16:43,864 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 [2024-10-24 23:16:43,866 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:43,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-10-24 23:16:43,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-10-24 23:16:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 389 states have (on average 1.4575835475578407) internal successors, (567), 395 states have internal predecessors, (567), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 23:16:43,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 575 transitions. [2024-10-24 23:16:43,911 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 575 transitions. Word has length 7 [2024-10-24 23:16:43,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:43,911 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 575 transitions. [2024-10-24 23:16:43,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 575 transitions. [2024-10-24 23:16:43,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 23:16:43,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:43,912 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:16:43,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:16:43,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:43,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:43,913 INFO L85 PathProgramCache]: Analyzing trace with hash -123254633, now seen corresponding path program 1 times [2024-10-24 23:16:43,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:43,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931842879] [2024-10-24 23:16:43,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:43,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:16:43,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841673193] [2024-10-24 23:16:43,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:43,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:43,957 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) [2024-10-24 23:16:43,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:16:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:44,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 23:16:44,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:44,139 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 [2024-10-24 23:16:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:44,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:16:44,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:44,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931842879] [2024-10-24 23:16:44,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:16:44,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841673193] [2024-10-24 23:16:44,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841673193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:44,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:44,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:16:44,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142027047] [2024-10-24 23:16:44,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:44,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:16:44,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:44,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:16:44,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:44,171 INFO L87 Difference]: Start difference. First operand 401 states and 575 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:44,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:44,298 INFO L93 Difference]: Finished difference Result 793 states and 1142 transitions. [2024-10-24 23:16:44,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:16:44,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 23:16:44,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:44,302 INFO L225 Difference]: With dead ends: 793 [2024-10-24 23:16:44,302 INFO L226 Difference]: Without dead ends: 791 [2024-10-24 23:16:44,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:44,304 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 552 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:44,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1731 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:16:44,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2024-10-24 23:16:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 407. [2024-10-24 23:16:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 395 states have (on average 1.4531645569620253) internal successors, (574), 401 states have internal predecessors, (574), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 23:16:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 582 transitions. [2024-10-24 23:16:44,336 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 582 transitions. Word has length 7 [2024-10-24 23:16:44,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:44,336 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 582 transitions. [2024-10-24 23:16:44,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:16:44,337 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 582 transitions. [2024-10-24 23:16:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 23:16:44,341 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:44,341 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] [2024-10-24 23:16:44,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-24 23:16:44,542 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 [2024-10-24 23:16:44,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:44,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:44,544 INFO L85 PathProgramCache]: Analyzing trace with hash -99934232, now seen corresponding path program 1 times [2024-10-24 23:16:44,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:44,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930849474] [2024-10-24 23:16:44,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:44,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:44,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:16:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:44,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:44,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930849474] [2024-10-24 23:16:44,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930849474] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:44,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:44,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:16:44,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786914596] [2024-10-24 23:16:44,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:44,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:16:44,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:44,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:16:44,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:44,816 INFO L87 Difference]: Start difference. First operand 407 states and 582 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:16:44,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:44,887 INFO L93 Difference]: Finished difference Result 557 states and 794 transitions. [2024-10-24 23:16:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:16:44,888 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-10-24 23:16:44,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:44,890 INFO L225 Difference]: With dead ends: 557 [2024-10-24 23:16:44,890 INFO L226 Difference]: Without dead ends: 365 [2024-10-24 23:16:44,891 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 [2024-10-24 23:16:44,892 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 30 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:44,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1396 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:16:44,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-24 23:16:44,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-10-24 23:16:44,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 353 states have (on average 1.4079320113314449) internal successors, (497), 359 states have internal predecessors, (497), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 23:16:44,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 505 transitions. [2024-10-24 23:16:44,904 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 505 transitions. Word has length 70 [2024-10-24 23:16:44,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:44,904 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 505 transitions. [2024-10-24 23:16:44,904 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:16:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 505 transitions. [2024-10-24 23:16:44,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 23:16:44,910 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:44,910 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] [2024-10-24 23:16:44,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:16:44,911 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:44,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:44,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1933671204, now seen corresponding path program 1 times [2024-10-24 23:16:44,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:44,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814266831] [2024-10-24 23:16:44,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:44,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:44,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:16:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:45,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:45,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814266831] [2024-10-24 23:16:45,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814266831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:45,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:45,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:16:45,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047041749] [2024-10-24 23:16:45,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:45,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:16:45,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:45,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:16:45,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:45,016 INFO L87 Difference]: Start difference. First operand 365 states and 505 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:16:45,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:45,033 INFO L93 Difference]: Finished difference Result 515 states and 706 transitions. [2024-10-24 23:16:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:16:45,034 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-10-24 23:16:45,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:45,037 INFO L225 Difference]: With dead ends: 515 [2024-10-24 23:16:45,037 INFO L226 Difference]: Without dead ends: 360 [2024-10-24 23:16:45,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:45,039 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 0 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:45,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1459 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:45,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-24 23:16:45,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-10-24 23:16:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 350 states have (on average 1.4085714285714286) internal successors, (493), 355 states have internal predecessors, (493), 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) [2024-10-24 23:16:45,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 499 transitions. [2024-10-24 23:16:45,048 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 499 transitions. Word has length 70 [2024-10-24 23:16:45,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:45,049 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 499 transitions. [2024-10-24 23:16:45,049 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:16:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 499 transitions. [2024-10-24 23:16:45,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 23:16:45,052 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:45,053 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] [2024-10-24 23:16:45,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:16:45,053 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:45,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:45,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1955930481, now seen corresponding path program 1 times [2024-10-24 23:16:45,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:45,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411115758] [2024-10-24 23:16:45,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:45,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:45,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:45,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411115758] [2024-10-24 23:16:45,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411115758] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:45,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:45,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:16:45,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077925111] [2024-10-24 23:16:45,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:45,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:16:45,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:45,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:16:45,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:45,147 INFO L87 Difference]: Start difference. First operand 360 states and 499 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-10-24 23:16:45,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:45,171 INFO L93 Difference]: Finished difference Result 512 states and 702 transitions. [2024-10-24 23:16:45,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:16:45,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 71 [2024-10-24 23:16:45,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:45,175 INFO L225 Difference]: With dead ends: 512 [2024-10-24 23:16:45,176 INFO L226 Difference]: Without dead ends: 360 [2024-10-24 23:16:45,177 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 [2024-10-24 23:16:45,177 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 15 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:45,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 941 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:45,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-24 23:16:45,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-10-24 23:16:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 350 states have (on average 1.3971428571428572) internal successors, (489), 355 states have internal predecessors, (489), 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) [2024-10-24 23:16:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 495 transitions. [2024-10-24 23:16:45,183 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 495 transitions. Word has length 71 [2024-10-24 23:16:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:45,183 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 495 transitions. [2024-10-24 23:16:45,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-10-24 23:16:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 495 transitions. [2024-10-24 23:16:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 23:16:45,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:45,185 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] [2024-10-24 23:16:45,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:16:45,185 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:45,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:45,185 INFO L85 PathProgramCache]: Analyzing trace with hash -485282061, now seen corresponding path program 1 times [2024-10-24 23:16:45,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:45,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712525929] [2024-10-24 23:16:45,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:45,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:45,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712525929] [2024-10-24 23:16:45,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712525929] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:45,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:45,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:16:45,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136151570] [2024-10-24 23:16:45,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:45,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:16:45,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:45,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:16:45,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:45,326 INFO L87 Difference]: Start difference. First operand 360 states and 495 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-10-24 23:16:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:45,383 INFO L93 Difference]: Finished difference Result 670 states and 915 transitions. [2024-10-24 23:16:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:16:45,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2024-10-24 23:16:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:45,386 INFO L225 Difference]: With dead ends: 670 [2024-10-24 23:16:45,386 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 23:16:45,386 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 [2024-10-24 23:16:45,387 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 36 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:45,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1113 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:45,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 23:16:45,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-10-24 23:16:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 308 states have (on average 1.3376623376623376) internal successors, (412), 313 states have internal predecessors, (412), 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) [2024-10-24 23:16:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 418 transitions. [2024-10-24 23:16:45,393 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 418 transitions. Word has length 81 [2024-10-24 23:16:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:45,393 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 418 transitions. [2024-10-24 23:16:45,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-10-24 23:16:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 418 transitions. [2024-10-24 23:16:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 23:16:45,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:45,394 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] [2024-10-24 23:16:45,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:16:45,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:45,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:45,395 INFO L85 PathProgramCache]: Analyzing trace with hash -260747681, now seen corresponding path program 1 times [2024-10-24 23:16:45,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:45,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978866625] [2024-10-24 23:16:45,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:45,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:45,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:45,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978866625] [2024-10-24 23:16:45,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978866625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:45,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:45,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:16:45,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798252773] [2024-10-24 23:16:45,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:45,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:16:45,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:45,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:16:45,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:16:45,487 INFO L87 Difference]: Start difference. First operand 318 states and 418 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-10-24 23:16:45,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:45,531 INFO L93 Difference]: Finished difference Result 622 states and 821 transitions. [2024-10-24 23:16:45,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:16:45,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2024-10-24 23:16:45,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:45,532 INFO L225 Difference]: With dead ends: 622 [2024-10-24 23:16:45,532 INFO L226 Difference]: Without dead ends: 312 [2024-10-24 23:16:45,533 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:45,533 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 9 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:45,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1114 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:45,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-24 23:16:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-10-24 23:16:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 302 states have (on average 1.3311258278145695) internal successors, (402), 307 states have internal predecessors, (402), 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) [2024-10-24 23:16:45,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 408 transitions. [2024-10-24 23:16:45,539 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 408 transitions. Word has length 81 [2024-10-24 23:16:45,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:45,539 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 408 transitions. [2024-10-24 23:16:45,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-10-24 23:16:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 408 transitions. [2024-10-24 23:16:45,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 23:16:45,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:45,540 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] [2024-10-24 23:16:45,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:16:45,540 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:45,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:45,541 INFO L85 PathProgramCache]: Analyzing trace with hash 161778791, now seen corresponding path program 1 times [2024-10-24 23:16:45,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:45,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315152001] [2024-10-24 23:16:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:45,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:45,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:45,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315152001] [2024-10-24 23:16:45,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315152001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:45,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:45,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:16:45,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618782285] [2024-10-24 23:16:45,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:45,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:16:45,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:45,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:16:45,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:45,639 INFO L87 Difference]: Start difference. First operand 312 states and 408 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2024-10-24 23:16:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:45,685 INFO L93 Difference]: Finished difference Result 791 states and 1041 transitions. [2024-10-24 23:16:45,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:16:45,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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 81 [2024-10-24 23:16:45,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:45,686 INFO L225 Difference]: With dead ends: 791 [2024-10-24 23:16:45,687 INFO L226 Difference]: Without dead ends: 399 [2024-10-24 23:16:45,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:16:45,687 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 175 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:45,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 763 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:16:45,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-10-24 23:16:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 397. [2024-10-24 23:16:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 387 states have (on average 1.3281653746770026) internal successors, (514), 392 states have internal predecessors, (514), 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) [2024-10-24 23:16:45,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2024-10-24 23:16:45,694 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 81 [2024-10-24 23:16:45,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:45,694 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2024-10-24 23:16:45,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2024-10-24 23:16:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2024-10-24 23:16:45,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 23:16:45,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:45,695 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:16:45,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:16:45,696 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:45,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:45,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1361827114, now seen corresponding path program 1 times [2024-10-24 23:16:45,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:45,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124049164] [2024-10-24 23:16:45,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:45,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 23:16:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:16:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:45,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:45,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124049164] [2024-10-24 23:16:45,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124049164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:45,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:16:45,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:16:45,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105236457] [2024-10-24 23:16:45,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:45,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:16:45,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:45,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:16:45,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:16:45,961 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-10-24 23:16:46,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:46,153 INFO L93 Difference]: Finished difference Result 616 states and 812 transitions. [2024-10-24 23:16:46,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:16:46,153 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 94 [2024-10-24 23:16:46,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:46,156 INFO L225 Difference]: With dead ends: 616 [2024-10-24 23:16:46,156 INFO L226 Difference]: Without dead ends: 614 [2024-10-24 23:16:46,156 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 [2024-10-24 23:16:46,157 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 294 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:46,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1439 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:16:46,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-10-24 23:16:46,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 461. [2024-10-24 23:16:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 448 states have (on average 1.3214285714285714) internal successors, (592), 453 states have internal predecessors, (592), 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) [2024-10-24 23:16:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 604 transitions. [2024-10-24 23:16:46,166 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 604 transitions. Word has length 94 [2024-10-24 23:16:46,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:46,166 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 604 transitions. [2024-10-24 23:16:46,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-10-24 23:16:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 604 transitions. [2024-10-24 23:16:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 23:16:46,167 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:46,167 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:16:46,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:16:46,167 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:46,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:46,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1506300491, now seen corresponding path program 1 times [2024-10-24 23:16:46,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:46,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779451425] [2024-10-24 23:16:46,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:46,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 23:16:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:46,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:16:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:46,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:16:46,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:46,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779451425] [2024-10-24 23:16:46,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779451425] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:46,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062109429] [2024-10-24 23:16:46,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:46,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:46,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:46,537 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) [2024-10-24 23:16:46,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:16:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:46,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-24 23:16:46,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:46,803 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 [2024-10-24 23:16:46,821 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 [2024-10-24 23:16:46,839 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 [2024-10-24 23:16:47,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 23:16:47,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-10-24 23:16:47,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:16:47,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:16:47,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062109429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:47,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:16:47,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-10-24 23:16:47,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916298758] [2024-10-24 23:16:47,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:47,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:16:47,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:47,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:16:47,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:16:47,467 INFO L87 Difference]: Start difference. First operand 461 states and 604 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-10-24 23:16:48,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:48,415 INFO L93 Difference]: Finished difference Result 1033 states and 1363 transitions. [2024-10-24 23:16:48,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:16:48,415 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 100 [2024-10-24 23:16:48,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:48,417 INFO L225 Difference]: With dead ends: 1033 [2024-10-24 23:16:48,417 INFO L226 Difference]: Without dead ends: 612 [2024-10-24 23:16:48,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-10-24 23:16:48,418 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 474 mSDsluCounter, 2011 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:48,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 2418 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 23:16:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-10-24 23:16:48,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 461. [2024-10-24 23:16:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 448 states have (on average 1.3191964285714286) internal successors, (591), 453 states have internal predecessors, (591), 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) [2024-10-24 23:16:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 603 transitions. [2024-10-24 23:16:48,427 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 603 transitions. Word has length 100 [2024-10-24 23:16:48,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:48,427 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 603 transitions. [2024-10-24 23:16:48,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-10-24 23:16:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 603 transitions. [2024-10-24 23:16:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 23:16:48,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:48,428 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-24 23:16:48,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:16:48,628 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,SelfDestructingSolverStorable9 [2024-10-24 23:16:48,629 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:48,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:48,630 INFO L85 PathProgramCache]: Analyzing trace with hash 227766542, now seen corresponding path program 1 times [2024-10-24 23:16:48,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:48,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981282350] [2024-10-24 23:16:48,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:48,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:48,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:16:48,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:48,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 23:16:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:16:48,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:48,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981282350] [2024-10-24 23:16:48,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981282350] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:48,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319693793] [2024-10-24 23:16:48,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:48,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:48,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:48,934 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) [2024-10-24 23:16:48,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:16:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:49,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-24 23:16:49,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:16:49,336 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 [2024-10-24 23:16:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:16:49,377 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:16:49,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319693793] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:16:49,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:16:49,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2024-10-24 23:16:49,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435155379] [2024-10-24 23:16:49,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:16:49,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 23:16:49,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:16:49,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 23:16:49,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 23:16:49,379 INFO L87 Difference]: Start difference. First operand 461 states and 603 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-10-24 23:16:49,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:16:49,457 INFO L93 Difference]: Finished difference Result 834 states and 1097 transitions. [2024-10-24 23:16:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 23:16:49,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 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 101 [2024-10-24 23:16:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:16:49,459 INFO L225 Difference]: With dead ends: 834 [2024-10-24 23:16:49,459 INFO L226 Difference]: Without dead ends: 463 [2024-10-24 23:16:49,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 23:16:49,460 INFO L432 NwaCegarLoop]: 386 mSDtfsCounter, 188 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:16:49,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 1906 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:16:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-24 23:16:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2024-10-24 23:16:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 449 states have (on average 1.3207126948775056) internal successors, (593), 455 states have internal predecessors, (593), 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) [2024-10-24 23:16:49,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 607 transitions. [2024-10-24 23:16:49,471 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 607 transitions. Word has length 101 [2024-10-24 23:16:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:16:49,471 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 607 transitions. [2024-10-24 23:16:49,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-10-24 23:16:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 607 transitions. [2024-10-24 23:16:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-24 23:16:49,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:16:49,473 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] [2024-10-24 23:16:49,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 23:16:49,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:49,674 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:16:49,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:16:49,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1438058464, now seen corresponding path program 1 times [2024-10-24 23:16:49,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:16:49,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608449582] [2024-10-24 23:16:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:16:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:49,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:16:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 23:16:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 23:16:49,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:16:49,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608449582] [2024-10-24 23:16:49,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608449582] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:16:49,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598848871] [2024-10-24 23:16:49,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:16:49,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:16:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:16:49,985 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) [2024-10-24 23:16:49,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 23:16:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:16:50,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 23:16:50,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:18:04,344 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 23:18:14,040 WARN L286 SmtUtils]: Spent 9.70s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)