./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_FNV_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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_FNV_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-wip.dd.update-z3-fca748b-m [2024-11-20 21:27:18,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:27:19,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:27:19,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:27:19,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:27:19,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:27:19,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:27:19,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:27:19,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:27:19,083 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:27:19,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:27:19,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:27:19,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:27:19,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:27:19,085 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:27:19,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:27:19,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:27:19,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:27:19,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:27:19,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:27:19,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:27:19,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:27:19,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:27:19,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:27:19,090 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:27:19,090 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:27:19,090 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:27:19,090 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:27:19,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:27:19,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:27:19,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:27:19,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:27:19,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:27:19,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:27:19,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:27:19,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:27:19,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:27:19,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:27:19,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:27:19,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:27:19,094 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:27:19,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:27:19,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:27:19,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:27:19,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-11-20 21:27:19,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:27:19,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:27:19,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:27:19,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:27:19,377 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:27:19,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2024-11-20 21:27:20,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:27:21,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:27:21,046 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test3-2.i [2024-11-20 21:27:21,068 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cb6314d/33200ceb35f24508ab463bed391c9257/FLAG51b90995f [2024-11-20 21:27:21,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5cb6314d/33200ceb35f24508ab463bed391c9257 [2024-11-20 21:27:21,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:27:21,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:27:21,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:27:21,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:27:21,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:27:21,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:21,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa3e496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21, skipping insertion in model container [2024-11-20 21:27:21,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:21,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:27:21,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:27:21,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:27:21,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:27:21,869 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:27:21,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21 WrapperNode [2024-11-20 21:27:21,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:27:21,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:27:21,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:27:21,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:27:21,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:21,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:21,992 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1608 [2024-11-20 21:27:21,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:27:21,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:27:21,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:27:21,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:27:22,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,123 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]. [2024-11-20 21:27:22,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,231 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:27:22,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:27:22,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:27:22,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:27:22,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (1/1) ... [2024-11-20 21:27:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:27:22,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:22,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 21:27:22,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 21:27:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:27:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:27:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:27:22,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 21:27:22,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 21:27:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:27:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:27:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:27:22,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 21:27:22,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 21:27:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 21:27:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 21:27:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 21:27:22,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 21:27:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 21:27:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:27:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:27:22,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:27:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:27:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:27:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 21:27:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 21:27:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 21:27:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:27:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:27:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:27:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:27:22,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:27:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:27:22,651 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:27:22,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:27:24,085 INFO L? ?]: Removed 347 outVars from TransFormulas that were not future-live. [2024-11-20 21:27:24,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:27:24,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:27:24,104 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-20 21:27:24,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:24 BoogieIcfgContainer [2024-11-20 21:27:24,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:27:24,107 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:27:24,107 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:27:24,110 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:27:24,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:21" (1/3) ... [2024-11-20 21:27:24,111 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f4c0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:24, skipping insertion in model container [2024-11-20 21:27:24,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:21" (2/3) ... [2024-11-20 21:27:24,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f4c0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:24, skipping insertion in model container [2024-11-20 21:27:24,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:24" (3/3) ... [2024-11-20 21:27:24,113 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test3-2.i [2024-11-20 21:27:24,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:27:24,128 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-20 21:27:24,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:27:24,212 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;@23ce78e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:27:24,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-20 21:27:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 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) [2024-11-20 21:27:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 21:27:24,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:24,223 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:24,224 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)] === [2024-11-20 21:27:24,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-20 21:27:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:24,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301922901] [2024-11-20 21:27:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:24,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:24,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:24,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301922901] [2024-11-20 21:27:24,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301922901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:24,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:24,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:27:24,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376983794] [2024-11-20 21:27:24,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:24,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 21:27:24,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:24,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 21:27:24,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:27:24,446 INFO L87 Difference]: Start difference. First operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:24,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:24,511 INFO L93 Difference]: Finished difference Result 894 states and 1431 transitions. [2024-11-20 21:27:24,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 21:27:24,514 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 21:27:24,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:24,526 INFO L225 Difference]: With dead ends: 894 [2024-11-20 21:27:24,526 INFO L226 Difference]: Without dead ends: 403 [2024-11-20 21:27:24,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:27:24,536 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:24,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:27:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-20 21:27:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-20 21:27:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 391 states have (on average 1.4552429667519182) internal successors, (569), 397 states have internal predecessors, (569), 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) [2024-11-20 21:27:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-20 21:27:24,677 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-20 21:27:24,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:24,677 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-20 21:27:24,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-20 21:27:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 21:27:24,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:24,678 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:24,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:27:24,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:24,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:24,685 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-20 21:27:24,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:24,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065812788] [2024-11-20 21:27:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:24,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 21:27:24,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1650801467] [2024-11-20 21:27:24,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:24,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:24,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:24,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:27:24,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 21:27:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:24,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 21:27:24,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:27:24,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:27:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:25,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:27:25,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:25,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065812788] [2024-11-20 21:27:25,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 21:27:25,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650801467] [2024-11-20 21:27:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650801467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:25,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:25,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:27:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524099486] [2024-11-20 21:27:25,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:25,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:27:25,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:25,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:27:25,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:27:25,007 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:25,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:25,156 INFO L93 Difference]: Finished difference Result 795 states and 1144 transitions. [2024-11-20 21:27:25,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:27:25,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 21:27:25,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:25,161 INFO L225 Difference]: With dead ends: 795 [2024-11-20 21:27:25,162 INFO L226 Difference]: Without dead ends: 793 [2024-11-20 21:27:25,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:27:25,163 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 552 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:25,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1741 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:27:25,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-20 21:27:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 409. [2024-11-20 21:27:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.45088161209068) internal successors, (576), 403 states have internal predecessors, (576), 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) [2024-11-20 21:27:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 584 transitions. [2024-11-20 21:27:25,187 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 584 transitions. Word has length 8 [2024-11-20 21:27:25,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:25,188 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 584 transitions. [2024-11-20 21:27:25,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 584 transitions. [2024-11-20 21:27:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-20 21:27:25,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:25,191 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] [2024-11-20 21:27:25,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 21:27:25,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:25,397 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:25,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:25,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1052288590, now seen corresponding path program 1 times [2024-11-20 21:27:25,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:25,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865417866] [2024-11-20 21:27:25,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:25,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:25,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:27:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:25,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:25,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865417866] [2024-11-20 21:27:25,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865417866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:25,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:25,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:27:25,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222644265] [2024-11-20 21:27:25,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:25,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:27:25,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:25,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:27:25,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:27:25,697 INFO L87 Difference]: Start difference. First operand 409 states and 584 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-20 21:27:25,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:25,793 INFO L93 Difference]: Finished difference Result 604 states and 865 transitions. [2024-11-20 21:27:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:27:25,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 71 [2024-11-20 21:27:25,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:25,795 INFO L225 Difference]: With dead ends: 604 [2024-11-20 21:27:25,795 INFO L226 Difference]: Without dead ends: 412 [2024-11-20 21:27:25,796 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 [2024-11-20 21:27:25,797 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 105 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:25,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1554 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:27:25,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-20 21:27:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 409. [2024-11-20 21:27:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.433249370277078) internal successors, (569), 403 states have internal predecessors, (569), 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) [2024-11-20 21:27:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 577 transitions. [2024-11-20 21:27:25,820 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 577 transitions. Word has length 71 [2024-11-20 21:27:25,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:25,820 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 577 transitions. [2024-11-20 21:27:25,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-20 21:27:25,821 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 577 transitions. [2024-11-20 21:27:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-20 21:27:25,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:25,826 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] [2024-11-20 21:27:25,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:27:25,827 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:25,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:25,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1408941734, now seen corresponding path program 1 times [2024-11-20 21:27:25,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:25,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967415633] [2024-11-20 21:27:25,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:27:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:25,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:25,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967415633] [2024-11-20 21:27:25,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967415633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:25,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:25,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:27:25,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646703271] [2024-11-20 21:27:25,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:25,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:27:25,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:25,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:27:25,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:27:25,996 INFO L87 Difference]: Start difference. First operand 409 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-20 21:27:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:26,015 INFO L93 Difference]: Finished difference Result 601 states and 848 transitions. [2024-11-20 21:27:26,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:27:26,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 71 [2024-11-20 21:27:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:26,020 INFO L225 Difference]: With dead ends: 601 [2024-11-20 21:27:26,021 INFO L226 Difference]: Without dead ends: 404 [2024-11-20 21:27:26,022 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 [2024-11-20 21:27:26,022 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 0 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1699 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 [2024-11-20 21:27:26,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1699 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:27:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-20 21:27:26,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-20 21:27:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4340101522842639) internal successors, (565), 399 states have internal predecessors, (565), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:27:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 571 transitions. [2024-11-20 21:27:26,039 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 571 transitions. Word has length 71 [2024-11-20 21:27:26,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:26,040 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 571 transitions. [2024-11-20 21:27:26,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-20 21:27:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 571 transitions. [2024-11-20 21:27:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-20 21:27:26,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:26,044 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] [2024-11-20 21:27:26,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:27:26,044 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)] === [2024-11-20 21:27:26,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:26,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1797250841, now seen corresponding path program 1 times [2024-11-20 21:27:26,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:26,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191571246] [2024-11-20 21:27:26,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:26,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:26,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:26,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:26,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191571246] [2024-11-20 21:27:26,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191571246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:26,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:26,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:27:26,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058486922] [2024-11-20 21:27:26,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:26,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:27:26,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:26,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:27:26,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:27:26,184 INFO L87 Difference]: Start difference. First operand 404 states and 571 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:26,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:26,213 INFO L93 Difference]: Finished difference Result 598 states and 844 transitions. [2024-11-20 21:27:26,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:27:26,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-11-20 21:27:26,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:26,215 INFO L225 Difference]: With dead ends: 598 [2024-11-20 21:27:26,215 INFO L226 Difference]: Without dead ends: 404 [2024-11-20 21:27:26,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:27:26,217 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 15 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:26,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:27:26,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-20 21:27:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-20 21:27:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4238578680203047) internal successors, (561), 399 states have internal predecessors, (561), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:27:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 567 transitions. [2024-11-20 21:27:26,226 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 567 transitions. Word has length 72 [2024-11-20 21:27:26,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:26,226 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 567 transitions. [2024-11-20 21:27:26,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 567 transitions. [2024-11-20 21:27:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:27:26,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:26,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:26,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:27:26,228 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:26,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:26,229 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-20 21:27:26,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:26,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020848249] [2024-11-20 21:27:26,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:26,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:26,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020848249] [2024-11-20 21:27:26,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020848249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:26,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:26,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:27:26,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954205589] [2024-11-20 21:27:26,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:26,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:27:26,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:26,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:27:26,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:27:26,462 INFO L87 Difference]: Start difference. First operand 404 states and 567 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:26,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:26,544 INFO L93 Difference]: Finished difference Result 757 states and 1058 transitions. [2024-11-20 21:27:26,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:27:26,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-11-20 21:27:26,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:26,547 INFO L225 Difference]: With dead ends: 757 [2024-11-20 21:27:26,547 INFO L226 Difference]: Without dead ends: 362 [2024-11-20 21:27:26,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:27:26,548 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 36 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:26,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1351 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:27:26,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-20 21:27:26,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-20 21:27:26,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 352 states have (on average 1.375) internal successors, (484), 357 states have internal predecessors, (484), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:27:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 490 transitions. [2024-11-20 21:27:26,559 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 490 transitions. Word has length 82 [2024-11-20 21:27:26,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:26,559 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 490 transitions. [2024-11-20 21:27:26,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 490 transitions. [2024-11-20 21:27:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:27:26,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:26,561 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:26,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:27:26,562 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)] === [2024-11-20 21:27:26,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:26,562 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-20 21:27:26,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:26,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568644458] [2024-11-20 21:27:26,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:26,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:26,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:26,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568644458] [2024-11-20 21:27:26,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568644458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:26,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:26,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:27:26,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141824780] [2024-11-20 21:27:26,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:26,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:27:26,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:27:26,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:27:26,699 INFO L87 Difference]: Start difference. First operand 362 states and 490 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:26,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:26,762 INFO L93 Difference]: Finished difference Result 709 states and 964 transitions. [2024-11-20 21:27:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:27:26,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-11-20 21:27:26,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:26,764 INFO L225 Difference]: With dead ends: 709 [2024-11-20 21:27:26,764 INFO L226 Difference]: Without dead ends: 356 [2024-11-20 21:27:26,765 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 [2024-11-20 21:27:26,766 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 9 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:26,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1352 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:27:26,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-20 21:27:26,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-20 21:27:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.369942196531792) internal successors, (474), 351 states have internal predecessors, (474), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:27:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 480 transitions. [2024-11-20 21:27:26,775 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 480 transitions. Word has length 82 [2024-11-20 21:27:26,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:26,777 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 480 transitions. [2024-11-20 21:27:26,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 480 transitions. [2024-11-20 21:27:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 21:27:26,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:26,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:26,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:27:26,779 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)] === [2024-11-20 21:27:26,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:26,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-20 21:27:26,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:26,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881159541] [2024-11-20 21:27:26,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:26,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:27:26,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:26,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881159541] [2024-11-20 21:27:26,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881159541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:26,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:27:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756334133] [2024-11-20 21:27:26,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:26,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:27:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:26,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:27:26,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:27:26,951 INFO L87 Difference]: Start difference. First operand 356 states and 480 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:27,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:27,028 INFO L93 Difference]: Finished difference Result 920 states and 1254 transitions. [2024-11-20 21:27:27,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:27:27,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2024-11-20 21:27:27,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:27,033 INFO L225 Difference]: With dead ends: 920 [2024-11-20 21:27:27,033 INFO L226 Difference]: Without dead ends: 443 [2024-11-20 21:27:27,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:27:27,034 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 251 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:27,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 922 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:27:27,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-20 21:27:27,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441. [2024-11-20 21:27:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 431 states have (on average 1.359628770301624) internal successors, (586), 436 states have internal predecessors, (586), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 21:27:27,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 592 transitions. [2024-11-20 21:27:27,048 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 592 transitions. Word has length 82 [2024-11-20 21:27:27,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:27,049 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 592 transitions. [2024-11-20 21:27:27,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:27:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 592 transitions. [2024-11-20 21:27:27,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-20 21:27:27,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:27,050 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:27,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 21:27:27,050 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)] === [2024-11-20 21:27:27,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:27,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1594132466, now seen corresponding path program 1 times [2024-11-20 21:27:27,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:27,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924822407] [2024-11-20 21:27:27,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:27,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:27,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:27:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:27,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:27:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:27,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:27:27,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:27,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924822407] [2024-11-20 21:27:27,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924822407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:27,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:27,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:27:27,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775628918] [2024-11-20 21:27:27,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:27,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:27:27,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:27,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:27:27,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:27:27,411 INFO L87 Difference]: Start difference. First operand 441 states and 592 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:27,731 INFO L93 Difference]: Finished difference Result 703 states and 955 transitions. [2024-11-20 21:27:27,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:27:27,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 97 [2024-11-20 21:27:27,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:27,738 INFO L225 Difference]: With dead ends: 703 [2024-11-20 21:27:27,738 INFO L226 Difference]: Without dead ends: 701 [2024-11-20 21:27:27,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:27:27,740 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 371 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:27,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1753 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:27:27,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-20 21:27:27,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 505. [2024-11-20 21:27:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3495934959349594) internal successors, (664), 497 states have internal predecessors, (664), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:27:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 676 transitions. [2024-11-20 21:27:27,757 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 676 transitions. Word has length 97 [2024-11-20 21:27:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:27,758 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 676 transitions. [2024-11-20 21:27:27,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 676 transitions. [2024-11-20 21:27:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 21:27:27,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:27,759 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] [2024-11-20 21:27:27,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 21:27:27,760 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)] === [2024-11-20 21:27:27,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash -551762479, now seen corresponding path program 1 times [2024-11-20 21:27:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:27,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737650517] [2024-11-20 21:27:27,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:27,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:28,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:27:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:27:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:27:28,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:28,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737650517] [2024-11-20 21:27:28,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737650517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:27:28,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189892993] [2024-11-20 21:27:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:28,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:28,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:28,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:27:28,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 21:27:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:28,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 21:27:28,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:27:28,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:27:28,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:27:28,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:27:29,323 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-20 21:27:29,324 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 57 treesize of output 41 [2024-11-20 21:27:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:27:29,600 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:27:29,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189892993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:29,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:27:29,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-20 21:27:29,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103823895] [2024-11-20 21:27:29,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:29,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:27:29,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:29,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:27:29,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-20 21:27:29,603 INFO L87 Difference]: Start difference. First operand 505 states and 676 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:30,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:30,614 INFO L93 Difference]: Finished difference Result 1162 states and 1576 transitions. [2024-11-20 21:27:30,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:27:30,614 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 103 [2024-11-20 21:27:30,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:30,617 INFO L225 Difference]: With dead ends: 1162 [2024-11-20 21:27:30,617 INFO L226 Difference]: Without dead ends: 698 [2024-11-20 21:27:30,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-20 21:27:30,619 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 550 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:30,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 2413 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 21:27:30,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-20 21:27:30,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 505. [2024-11-20 21:27:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3475609756097562) internal successors, (663), 497 states have internal predecessors, (663), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:27:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 675 transitions. [2024-11-20 21:27:30,632 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 675 transitions. Word has length 103 [2024-11-20 21:27:30,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:30,632 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 675 transitions. [2024-11-20 21:27:30,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 675 transitions. [2024-11-20 21:27:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 21:27:30,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:30,634 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:30,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 21:27:30,837 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 [2024-11-20 21:27:30,838 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:30,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:30,838 INFO L85 PathProgramCache]: Analyzing trace with hash 272772246, now seen corresponding path program 1 times [2024-11-20 21:27:30,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:30,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802323517] [2024-11-20 21:27:30,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:30,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:31,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:27:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:27:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:27:31,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802323517] [2024-11-20 21:27:31,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802323517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:27:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749247086] [2024-11-20 21:27:31,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:31,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:31,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:31,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:27:31,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 21:27:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:31,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-20 21:27:31,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:27:31,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:27:31,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:27:31,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:27:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:27:32,530 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:27:32,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749247086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:32,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:27:32,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-20 21:27:32,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054869080] [2024-11-20 21:27:32,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:32,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 21:27:32,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:32,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 21:27:32,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-20 21:27:32,532 INFO L87 Difference]: Start difference. First operand 505 states and 675 transitions. Second operand has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:34,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-20 21:27:35,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:35,390 INFO L93 Difference]: Finished difference Result 1162 states and 1575 transitions. [2024-11-20 21:27:35,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 21:27:35,391 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 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 104 [2024-11-20 21:27:35,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:35,397 INFO L225 Difference]: With dead ends: 1162 [2024-11-20 21:27:35,398 INFO L226 Difference]: Without dead ends: 703 [2024-11-20 21:27:35,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-20 21:27:35,399 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 598 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:35,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 3434 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-20 21:27:35,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-20 21:27:35,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 509. [2024-11-20 21:27:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 496 states have (on average 1.346774193548387) internal successors, (668), 501 states have internal predecessors, (668), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:27:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 680 transitions. [2024-11-20 21:27:35,416 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 680 transitions. Word has length 104 [2024-11-20 21:27:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:35,416 INFO L471 AbstractCegarLoop]: Abstraction has 509 states and 680 transitions. [2024-11-20 21:27:35,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.083333333333334) internal successors, (97), 12 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 680 transitions. [2024-11-20 21:27:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-20 21:27:35,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:35,418 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:35,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 21:27:35,618 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 [2024-11-20 21:27:35,619 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)] === [2024-11-20 21:27:35,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:35,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1858364293, now seen corresponding path program 1 times [2024-11-20 21:27:35,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:35,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394254629] [2024-11-20 21:27:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:35,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 21:27:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:27:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:27:35,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:35,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394254629] [2024-11-20 21:27:35,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394254629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:35,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:35,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:27:35,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785530380] [2024-11-20 21:27:35,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:35,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:27:35,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:35,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:27:35,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:27:35,997 INFO L87 Difference]: Start difference. First operand 509 states and 680 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:36,533 INFO L93 Difference]: Finished difference Result 976 states and 1321 transitions. [2024-11-20 21:27:36,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:27:36,534 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 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 105 [2024-11-20 21:27:36,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:36,536 INFO L225 Difference]: With dead ends: 976 [2024-11-20 21:27:36,536 INFO L226 Difference]: Without dead ends: 522 [2024-11-20 21:27:36,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:27:36,537 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 13 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:36,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2769 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:27:36,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-20 21:27:36,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 517. [2024-11-20 21:27:36,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 504 states have (on average 1.3452380952380953) internal successors, (678), 509 states have internal predecessors, (678), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:27:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 690 transitions. [2024-11-20 21:27:36,552 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 690 transitions. Word has length 105 [2024-11-20 21:27:36,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:36,552 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 690 transitions. [2024-11-20 21:27:36,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 690 transitions. [2024-11-20 21:27:36,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-20 21:27:36,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:36,553 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:36,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 21:27:36,554 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:36,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:36,554 INFO L85 PathProgramCache]: Analyzing trace with hash 381110028, now seen corresponding path program 1 times [2024-11-20 21:27:36,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:36,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589310237] [2024-11-20 21:27:36,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:36,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 21:27:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:36,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:27:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:27:36,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:36,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589310237] [2024-11-20 21:27:36,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589310237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:36,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:36,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 21:27:36,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448734782] [2024-11-20 21:27:36,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:36,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:27:36,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:36,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:27:36,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:27:36,869 INFO L87 Difference]: Start difference. First operand 517 states and 690 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:37,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:37,335 INFO L93 Difference]: Finished difference Result 991 states and 1341 transitions. [2024-11-20 21:27:37,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:27:37,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 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 105 [2024-11-20 21:27:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:37,339 INFO L225 Difference]: With dead ends: 991 [2024-11-20 21:27:37,339 INFO L226 Difference]: Without dead ends: 526 [2024-11-20 21:27:37,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:27:37,340 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 8 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2406 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:37,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2406 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 21:27:37,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-20 21:27:37,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 523. [2024-11-20 21:27:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 510 states have (on average 1.3411764705882352) internal successors, (684), 515 states have internal predecessors, (684), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:27:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 696 transitions. [2024-11-20 21:27:37,359 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 696 transitions. Word has length 105 [2024-11-20 21:27:37,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:37,359 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 696 transitions. [2024-11-20 21:27:37,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 696 transitions. [2024-11-20 21:27:37,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 21:27:37,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:37,360 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:37,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 21:27:37,361 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:37,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash -606468982, now seen corresponding path program 1 times [2024-11-20 21:27:37,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:37,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662051762] [2024-11-20 21:27:37,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:37,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 21:27:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:37,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 21:27:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:27:37,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:37,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662051762] [2024-11-20 21:27:37,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662051762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:27:37,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055456701] [2024-11-20 21:27:37,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:37,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:37,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:37,778 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:27:37,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 21:27:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:38,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 21:27:38,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:27:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:27:38,218 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:27:38,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055456701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:38,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:27:38,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-20 21:27:38,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436502746] [2024-11-20 21:27:38,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:38,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:27:38,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:38,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:27:38,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:27:38,221 INFO L87 Difference]: Start difference. First operand 523 states and 696 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:38,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:38,488 INFO L93 Difference]: Finished difference Result 1004 states and 1350 transitions. [2024-11-20 21:27:38,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:27:38,489 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-20 21:27:38,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:38,491 INFO L225 Difference]: With dead ends: 1004 [2024-11-20 21:27:38,491 INFO L226 Difference]: Without dead ends: 529 [2024-11-20 21:27:38,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 21:27:38,492 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 34 mSDsluCounter, 1971 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:38,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 2424 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 21:27:38,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-20 21:27:38,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2024-11-20 21:27:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 510 states have (on average 1.3352941176470587) internal successors, (681), 515 states have internal predecessors, (681), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-20 21:27:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 693 transitions. [2024-11-20 21:27:38,506 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 693 transitions. Word has length 106 [2024-11-20 21:27:38,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:38,507 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 693 transitions. [2024-11-20 21:27:38,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 693 transitions. [2024-11-20 21:27:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-20 21:27:38,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:38,508 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:38,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 21:27:38,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:38,709 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:38,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash 494146483, now seen corresponding path program 1 times [2024-11-20 21:27:38,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:38,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759618622] [2024-11-20 21:27:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:38,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:38,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 21:27:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-20 21:27:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:27:39,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:39,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759618622] [2024-11-20 21:27:39,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759618622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:27:39,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991882846] [2024-11-20 21:27:39,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:39,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:39,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:39,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:27:39,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 21:27:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:39,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-20 21:27:39,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:27:39,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:27:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:27:39,661 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:27:39,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991882846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:39,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:27:39,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2024-11-20 21:27:39,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578396164] [2024-11-20 21:27:39,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:39,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:27:39,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:39,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:27:39,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:27:39,663 INFO L87 Difference]: Start difference. First operand 523 states and 693 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:39,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:39,762 INFO L93 Difference]: Finished difference Result 949 states and 1268 transitions. [2024-11-20 21:27:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:27:39,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 106 [2024-11-20 21:27:39,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:39,765 INFO L225 Difference]: With dead ends: 949 [2024-11-20 21:27:39,765 INFO L226 Difference]: Without dead ends: 526 [2024-11-20 21:27:39,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 21:27:39,767 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 187 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:39,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 2293 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:27:39,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-20 21:27:39,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-20 21:27:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 512 states have (on average 1.3359375) internal successors, (684), 518 states have internal predecessors, (684), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-20 21:27:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 698 transitions. [2024-11-20 21:27:39,781 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 698 transitions. Word has length 106 [2024-11-20 21:27:39,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:39,781 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 698 transitions. [2024-11-20 21:27:39,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 698 transitions. [2024-11-20 21:27:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 21:27:39,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:39,782 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:39,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 21:27:39,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-20 21:27:39,983 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:39,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:39,984 INFO L85 PathProgramCache]: Analyzing trace with hash 548263633, now seen corresponding path program 1 times [2024-11-20 21:27:39,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:39,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991152183] [2024-11-20 21:27:39,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:39,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:40,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 21:27:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:40,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 21:27:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:27:40,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:40,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991152183] [2024-11-20 21:27:40,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991152183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:27:40,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055813145] [2024-11-20 21:27:40,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:40,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:40,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:40,499 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:27:40,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 21:27:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:41,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 21:27:41,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:27:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-20 21:27:50,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:27:50,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055813145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:50,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:27:50,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-20 21:27:50,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758456511] [2024-11-20 21:27:50,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:50,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:27:50,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:50,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:27:50,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:27:50,790 INFO L87 Difference]: Start difference. First operand 526 states and 698 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:52,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-20 21:27:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:53,216 INFO L93 Difference]: Finished difference Result 1002 states and 1344 transitions. [2024-11-20 21:27:53,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:27:53,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 108 [2024-11-20 21:27:53,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:53,219 INFO L225 Difference]: With dead ends: 1002 [2024-11-20 21:27:53,219 INFO L226 Difference]: Without dead ends: 536 [2024-11-20 21:27:53,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:27:53,220 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 8 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2403 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:53,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2403 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-20 21:27:53,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-20 21:27:53,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 526. [2024-11-20 21:27:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 512 states have (on average 1.3359375) internal successors, (684), 518 states have internal predecessors, (684), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-20 21:27:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 698 transitions. [2024-11-20 21:27:53,233 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 698 transitions. Word has length 108 [2024-11-20 21:27:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:53,234 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 698 transitions. [2024-11-20 21:27:53,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 698 transitions. [2024-11-20 21:27:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-20 21:27:53,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:53,235 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:53,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-20 21:27:53,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 21:27:53,436 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:53,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:53,437 INFO L85 PathProgramCache]: Analyzing trace with hash 45083681, now seen corresponding path program 1 times [2024-11-20 21:27:53,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:53,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669656568] [2024-11-20 21:27:53,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:53,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:53,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:27:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:53,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 21:27:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:53,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-20 21:27:53,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:53,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669656568] [2024-11-20 21:27:53,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669656568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:27:53,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:27:53,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 21:27:53,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239196183] [2024-11-20 21:27:53,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:27:53,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:27:53,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:53,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:27:53,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:27:53,929 INFO L87 Difference]: Start difference. First operand 526 states and 698 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:27:54,560 INFO L93 Difference]: Finished difference Result 1024 states and 1373 transitions. [2024-11-20 21:27:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:27:54,560 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 110 [2024-11-20 21:27:54,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:27:54,563 INFO L225 Difference]: With dead ends: 1024 [2024-11-20 21:27:54,563 INFO L226 Difference]: Without dead ends: 558 [2024-11-20 21:27:54,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:27:54,565 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 22 mSDsluCounter, 3180 mSDsCounter, 0 mSdLazyCounter, 730 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3638 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:27:54,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3638 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 730 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 21:27:54,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-20 21:27:54,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 546. [2024-11-20 21:27:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 532 states have (on average 1.330827067669173) internal successors, (708), 538 states have internal predecessors, (708), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-20 21:27:54,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 722 transitions. [2024-11-20 21:27:54,579 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 722 transitions. Word has length 110 [2024-11-20 21:27:54,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:27:54,579 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 722 transitions. [2024-11-20 21:27:54,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:27:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 722 transitions. [2024-11-20 21:27:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-20 21:27:54,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:27:54,581 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:27:54,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 21:27:54,581 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:27:54,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:27:54,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1836526075, now seen corresponding path program 1 times [2024-11-20 21:27:54,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:27:54,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756668671] [2024-11-20 21:27:54,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:54,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:27:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:54,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:27:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:55,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 21:27:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:55,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:27:55,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:27:55,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756668671] [2024-11-20 21:27:55,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756668671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:27:55,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263523847] [2024-11-20 21:27:55,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:27:55,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:27:55,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:27:55,014 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:27:55,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 21:27:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:27:55,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-20 21:27:55,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:27:55,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:27:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:27:56,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 21:27:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:27:56,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263523847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 21:27:56,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 21:27:56,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 9] total 18 [2024-11-20 21:27:56,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550418614] [2024-11-20 21:27:56,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 21:27:56,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-20 21:27:56,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:27:56,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-20 21:27:56,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-11-20 21:27:56,453 INFO L87 Difference]: Start difference. First operand 546 states and 722 transitions. Second operand has 18 states, 18 states have (on average 11.833333333333334) internal successors, (213), 17 states have internal predecessors, (213), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 21:28:01,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-20 21:28:05,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-20 21:28:09,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-20 21:28:09,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:28:09,595 INFO L93 Difference]: Finished difference Result 1267 states and 1705 transitions. [2024-11-20 21:28:09,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-20 21:28:09,595 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 11.833333333333334) internal successors, (213), 17 states have internal predecessors, (213), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 110 [2024-11-20 21:28:09,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:28:09,599 INFO L225 Difference]: With dead ends: 1267 [2024-11-20 21:28:09,599 INFO L226 Difference]: Without dead ends: 829 [2024-11-20 21:28:09,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 209 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 21:28:09,601 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 810 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 40 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 5313 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-20 21:28:09,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 5313 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 474 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2024-11-20 21:28:09,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-20 21:28:09,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 631. [2024-11-20 21:28:09,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 612 states have (on average 1.338235294117647) internal successors, (819), 618 states have internal predecessors, (819), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-20 21:28:09,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 840 transitions. [2024-11-20 21:28:09,624 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 840 transitions. Word has length 110 [2024-11-20 21:28:09,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:28:09,624 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 840 transitions. [2024-11-20 21:28:09,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.833333333333334) internal successors, (213), 17 states have internal predecessors, (213), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-20 21:28:09,625 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 840 transitions. [2024-11-20 21:28:09,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-20 21:28:09,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:28:09,626 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:28:09,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 21:28:09,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:28:09,830 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:28:09,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:28:09,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1316740953, now seen corresponding path program 2 times [2024-11-20 21:28:09,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:28:09,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570214520] [2024-11-20 21:28:09,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:28:09,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:28:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:28:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 21:28:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-20 21:28:10,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:28:10,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570214520] [2024-11-20 21:28:10,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570214520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:28:10,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447269150] [2024-11-20 21:28:10,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 21:28:10,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:28:10,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:28:10,450 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:28:10,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 21:28:10,804 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 21:28:10,804 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 21:28:10,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 21:28:10,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:28:10,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-20 21:28:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-20 21:28:10,826 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:28:10,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447269150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:28:10,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:28:10,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-20 21:28:10,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684792276] [2024-11-20 21:28:10,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:28:10,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:28:10,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:28:10,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:28:10,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:28:10,829 INFO L87 Difference]: Start difference. First operand 631 states and 840 transitions. Second operand has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:28:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:28:10,853 INFO L93 Difference]: Finished difference Result 631 states and 840 transitions. [2024-11-20 21:28:10,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:28:10,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 114 [2024-11-20 21:28:10,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:28:10,857 INFO L225 Difference]: With dead ends: 631 [2024-11-20 21:28:10,857 INFO L226 Difference]: Without dead ends: 630 [2024-11-20 21:28:10,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:28:10,858 INFO L432 NwaCegarLoop]: 468 mSDtfsCounter, 1 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 934 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:28:10,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 934 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:28:10,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-20 21:28:10,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2024-11-20 21:28:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 612 states have (on average 1.3366013071895424) internal successors, (818), 617 states have internal predecessors, (818), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (14), 8 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-20 21:28:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 839 transitions. [2024-11-20 21:28:10,882 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 839 transitions. Word has length 114 [2024-11-20 21:28:10,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:28:10,883 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 839 transitions. [2024-11-20 21:28:10,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:28:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 839 transitions. [2024-11-20 21:28:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-20 21:28:10,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:28:10,885 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:28:10,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 21:28:11,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:28:11,086 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:28:11,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:28:11,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2130703498, now seen corresponding path program 1 times [2024-11-20 21:28:11,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:28:11,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824222332] [2024-11-20 21:28:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:28:11,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:28:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:11,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:28:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:11,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 21:28:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:11,600 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-20 21:28:11,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:28:11,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824222332] [2024-11-20 21:28:11,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824222332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:28:11,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001537966] [2024-11-20 21:28:11,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:28:11,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:28:11,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:28:11,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:28:11,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 21:28:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:12,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 21:28:12,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:28:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 21:28:12,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 21:28:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 8 refuted. 2 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:28:20,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001537966] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 21:28:20,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 21:28:20,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 8] total 20 [2024-11-20 21:28:20,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034100204] [2024-11-20 21:28:20,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 21:28:20,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 21:28:20,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:28:20,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 21:28:20,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=280, Unknown=2, NotChecked=0, Total=380 [2024-11-20 21:28:20,497 INFO L87 Difference]: Start difference. First operand 630 states and 839 transitions. Second operand has 20 states, 20 states have (on average 6.45) internal successors, (129), 19 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 21:28:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:28:21,288 INFO L93 Difference]: Finished difference Result 1122 states and 1512 transitions. [2024-11-20 21:28:21,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-20 21:28:21,289 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.45) internal successors, (129), 19 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 115 [2024-11-20 21:28:21,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:28:21,292 INFO L225 Difference]: With dead ends: 1122 [2024-11-20 21:28:21,292 INFO L226 Difference]: Without dead ends: 598 [2024-11-20 21:28:21,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=268, Invalid=660, Unknown=2, NotChecked=0, Total=930 [2024-11-20 21:28:21,296 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 34 mSDsluCounter, 4918 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:28:21,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 5375 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:28:21,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-20 21:28:21,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 588. [2024-11-20 21:28:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 571 states have (on average 1.3450087565674256) internal successors, (768), 577 states have internal predecessors, (768), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-20 21:28:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 782 transitions. [2024-11-20 21:28:21,317 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 782 transitions. Word has length 115 [2024-11-20 21:28:21,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:28:21,318 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 782 transitions. [2024-11-20 21:28:21,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.45) internal successors, (129), 19 states have internal predecessors, (129), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-20 21:28:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 782 transitions. [2024-11-20 21:28:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-20 21:28:21,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:28:21,319 INFO L215 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:28:21,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-20 21:28:21,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:28:21,520 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-20 21:28:21,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:28:21,521 INFO L85 PathProgramCache]: Analyzing trace with hash 267110556, now seen corresponding path program 2 times [2024-11-20 21:28:21,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:28:21,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735233995] [2024-11-20 21:28:21,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:28:21,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:28:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:21,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:28:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:22,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-20 21:28:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:28:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 6 proven. 83 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-20 21:28:22,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:28:22,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735233995] [2024-11-20 21:28:22,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735233995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:28:22,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782254318] [2024-11-20 21:28:22,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 21:28:22,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:28:22,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:28:22,192 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:28:22,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 21:28:23,651 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 21:28:23,652 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 21:28:23,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 178 conjuncts are in the unsatisfiable core [2024-11-20 21:28:23,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:28:23,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:28:23,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-20 21:28:23,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-20 21:28:23,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-20 21:28:24,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-20 21:28:24,126 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-20 21:28:24,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-20 21:28:24,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-20 21:28:24,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-20 21:28:24,381 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-20 21:28:24,382 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33