./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_JEN_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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_JEN_test5-3.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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:31:14,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:31:14,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:31:14,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:31:14,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:31:14,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:31:14,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:31:14,472 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:31:14,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:31:14,473 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:31:14,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:31:14,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:31:14,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:31:14,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:31:14,475 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:31:14,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:31:14,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:31:14,477 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:31:14,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:31:14,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:31:14,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:31:14,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:31:14,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:31:14,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:31:14,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:31:14,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:31:14,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:31:14,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:31:14,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:31:14,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:31:14,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:31:14,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:31:14,486 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:31:14,486 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:31:14,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:31:14,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:31:14,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:31:14,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:31:14,487 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:31:14,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:31:14,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:31:14,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:31:14,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:31:14,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:31:14,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2024-10-14 23:31:14,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:31:14,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:31:14,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:31:14,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:31:14,745 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:31:14,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2024-10-14 23:31:16,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:31:16,441 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:31:16,442 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2024-10-14 23:31:16,461 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4995d435f/c173e0e479e742c4afa090eaebdf66c4/FLAGad14604d8 [2024-10-14 23:31:16,723 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4995d435f/c173e0e479e742c4afa090eaebdf66c4 [2024-10-14 23:31:16,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:31:16,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:31:16,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:31:16,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:31:16,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:31:16,733 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ef2ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:16, skipping insertion in model container [2024-10-14 23:31:16,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:31:16" (1/1) ... [2024-10-14 23:31:16,788 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:31:17,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:31:17,307 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:31:17,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:31:17,504 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:31:17,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17 WrapperNode [2024-10-14 23:31:17,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:31:17,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:31:17,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:31:17,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:31:17,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,659 INFO L138 Inliner]: procedures = 177, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2361 [2024-10-14 23:31:17,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:31:17,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:31:17,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:31:17,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:31:17,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,687 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,903 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 24, 417]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 1, 98]. [2024-10-14 23:31:17,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:17,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:18,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:18,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:31:18,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:31:18,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:31:18,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:31:18,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (1/1) ... [2024-10-14 23:31:18,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:31:18,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:18,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 23:31:18,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 23:31:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-14 23:31:18,107 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-14 23:31:18,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:31:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:31:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 23:31:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-14 23:31:18,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-14 23:31:18,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:31:18,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:31:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 23:31:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 23:31:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 23:31:18,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-14 23:31:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 23:31:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 23:31:18,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-14 23:31:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 23:31:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:31:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 23:31:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 23:31:18,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 23:31:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 23:31:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 23:31:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 23:31:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 23:31:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 23:31:18,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:31:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:31:18,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 23:31:18,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:31:18,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:31:18,350 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:31:18,352 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:31:20,190 INFO L? ?]: Removed 535 outVars from TransFormulas that were not future-live. [2024-10-14 23:31:20,191 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:31:20,249 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:31:20,249 INFO L314 CfgBuilder]: Removed 100 assume(true) statements. [2024-10-14 23:31:20,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:31:20 BoogieIcfgContainer [2024-10-14 23:31:20,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:31:20,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:31:20,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:31:20,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:31:20,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:31:16" (1/3) ... [2024-10-14 23:31:20,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a16fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:31:20, skipping insertion in model container [2024-10-14 23:31:20,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:31:17" (2/3) ... [2024-10-14 23:31:20,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a16fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:31:20, skipping insertion in model container [2024-10-14 23:31:20,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:31:20" (3/3) ... [2024-10-14 23:31:20,258 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-3.i [2024-10-14 23:31:20,272 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:31:20,273 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-14 23:31:20,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:31:20,357 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;@2d020633, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:31:20,358 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-14 23:31:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 645 states, 618 states have (on average 1.6375404530744337) internal successors, (1012), 635 states have internal predecessors, (1012), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-14 23:31:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-14 23:31:20,370 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:20,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-14 23:31:20,372 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:20,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:20,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1942633980, now seen corresponding path program 1 times [2024-10-14 23:31:20,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:20,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514696087] [2024-10-14 23:31:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:20,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:20,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514696087] [2024-10-14 23:31:20,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514696087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:20,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:20,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:31:20,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152557686] [2024-10-14 23:31:20,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:20,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 23:31:20,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:20,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 23:31:20,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 23:31:20,555 INFO L87 Difference]: Start difference. First operand has 645 states, 618 states have (on average 1.6375404530744337) internal successors, (1012), 635 states have internal predecessors, (1012), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:20,649 INFO L93 Difference]: Finished difference Result 1285 states and 2079 transitions. [2024-10-14 23:31:20,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 23:31:20,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-10-14 23:31:20,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:20,669 INFO L225 Difference]: With dead ends: 1285 [2024-10-14 23:31:20,670 INFO L226 Difference]: Without dead ends: 575 [2024-10-14 23:31:20,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 23:31:20,677 INFO L432 NwaCegarLoop]: 919 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:20,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 919 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:31:20,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-10-14 23:31:20,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2024-10-14 23:31:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 554 states have (on average 1.4657039711191335) internal successors, (812), 566 states have internal predecessors, (812), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-14 23:31:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 834 transitions. [2024-10-14 23:31:20,739 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 834 transitions. Word has length 5 [2024-10-14 23:31:20,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:20,739 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 834 transitions. [2024-10-14 23:31:20,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 834 transitions. [2024-10-14 23:31:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 23:31:20,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:20,740 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 23:31:20,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:31:20,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:20,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:20,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1445067953, now seen corresponding path program 1 times [2024-10-14 23:31:20,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:20,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816290742] [2024-10-14 23:31:20,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:20,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:20,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:20,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816290742] [2024-10-14 23:31:20,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816290742] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:20,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:20,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:31:20,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096837228] [2024-10-14 23:31:20,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:20,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:31:20,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:20,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:31:20,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:20,831 INFO L87 Difference]: Start difference. First operand 575 states and 834 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:20,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:20,935 INFO L93 Difference]: Finished difference Result 1313 states and 1920 transitions. [2024-10-14 23:31:20,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:31:20,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 23:31:20,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:20,942 INFO L225 Difference]: With dead ends: 1313 [2024-10-14 23:31:20,943 INFO L226 Difference]: Without dead ends: 1133 [2024-10-14 23:31:20,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:20,946 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 793 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:20,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1727 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:31:20,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-14 23:31:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 746. [2024-10-14 23:31:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 720 states have (on average 1.475) internal successors, (1062), 737 states have internal predecessors, (1062), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:31:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1094 transitions. [2024-10-14 23:31:20,983 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1094 transitions. Word has length 6 [2024-10-14 23:31:20,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:20,983 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1094 transitions. [2024-10-14 23:31:20,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1094 transitions. [2024-10-14 23:31:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-14 23:31:20,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:20,984 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-14 23:31:20,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:31:20,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:20,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:20,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1488171509, now seen corresponding path program 1 times [2024-10-14 23:31:20,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:20,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175709546] [2024-10-14 23:31:20,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:20,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-14 23:31:21,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063466954] [2024-10-14 23:31:21,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:21,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:21,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:21,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:21,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 23:31:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:21,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 23:31:21,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:21,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:21,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:21,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175709546] [2024-10-14 23:31:21,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-14 23:31:21,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063466954] [2024-10-14 23:31:21,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063466954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:21,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:21,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:31:21,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754317816] [2024-10-14 23:31:21,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:21,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:31:21,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:21,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:31:21,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:21,238 INFO L87 Difference]: Start difference. First operand 746 states and 1094 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:21,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:21,335 INFO L93 Difference]: Finished difference Result 1136 states and 1654 transitions. [2024-10-14 23:31:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:31:21,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-14 23:31:21,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:21,342 INFO L225 Difference]: With dead ends: 1136 [2024-10-14 23:31:21,342 INFO L226 Difference]: Without dead ends: 1133 [2024-10-14 23:31:21,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:21,343 INFO L432 NwaCegarLoop]: 864 mSDtfsCounter, 789 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:21,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 1678 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:31:21,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-14 23:31:21,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 750. [2024-10-14 23:31:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 724 states have (on average 1.4696132596685083) internal successors, (1064), 741 states have internal predecessors, (1064), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:31:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1096 transitions. [2024-10-14 23:31:21,366 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1096 transitions. Word has length 6 [2024-10-14 23:31:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:21,366 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1096 transitions. [2024-10-14 23:31:21,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1096 transitions. [2024-10-14 23:31:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 23:31:21,373 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:21,373 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:21,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 23:31:21,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:21,579 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:21,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:21,580 INFO L85 PathProgramCache]: Analyzing trace with hash -345445987, now seen corresponding path program 1 times [2024-10-14 23:31:21,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:21,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629634702] [2024-10-14 23:31:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:21,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:22,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:22,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629634702] [2024-10-14 23:31:22,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629634702] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:22,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:22,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:31:22,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612117799] [2024-10-14 23:31:22,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:22,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:22,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:22,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:22,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:22,163 INFO L87 Difference]: Start difference. First operand 750 states and 1096 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:22,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:22,272 INFO L93 Difference]: Finished difference Result 1497 states and 2189 transitions. [2024-10-14 23:31:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:22,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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 150 [2024-10-14 23:31:22,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:22,277 INFO L225 Difference]: With dead ends: 1497 [2024-10-14 23:31:22,278 INFO L226 Difference]: Without dead ends: 753 [2024-10-14 23:31:22,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:22,282 INFO L432 NwaCegarLoop]: 803 mSDtfsCounter, 103 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:22,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 2392 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:31:22,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-10-14 23:31:22,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 750. [2024-10-14 23:31:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 724 states have (on average 1.4599447513812154) internal successors, (1057), 741 states have internal predecessors, (1057), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:31:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1089 transitions. [2024-10-14 23:31:22,312 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1089 transitions. Word has length 150 [2024-10-14 23:31:22,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:22,312 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1089 transitions. [2024-10-14 23:31:22,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1089 transitions. [2024-10-14 23:31:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 23:31:22,320 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:22,320 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:22,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:31:22,320 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:22,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:22,321 INFO L85 PathProgramCache]: Analyzing trace with hash -440808151, now seen corresponding path program 1 times [2024-10-14 23:31:22,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:22,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235982865] [2024-10-14 23:31:22,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:22,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:22,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:22,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235982865] [2024-10-14 23:31:22,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235982865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:22,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:22,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:22,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798940279] [2024-10-14 23:31:22,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:22,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:22,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:22,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:22,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:31:22,631 INFO L87 Difference]: Start difference. First operand 750 states and 1089 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:22,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:22,720 INFO L93 Difference]: Finished difference Result 1446 states and 2097 transitions. [2024-10-14 23:31:22,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:31:22,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 150 [2024-10-14 23:31:22,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:22,725 INFO L225 Difference]: With dead ends: 1446 [2024-10-14 23:31:22,725 INFO L226 Difference]: Without dead ends: 702 [2024-10-14 23:31:22,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:22,728 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 9 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:22,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2167 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:31:22,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-14 23:31:22,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2024-10-14 23:31:22,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 676 states have (on average 1.4452662721893492) internal successors, (977), 693 states have internal predecessors, (977), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:31:22,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1009 transitions. [2024-10-14 23:31:22,744 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1009 transitions. Word has length 150 [2024-10-14 23:31:22,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:22,745 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1009 transitions. [2024-10-14 23:31:22,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1009 transitions. [2024-10-14 23:31:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 23:31:22,747 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:22,747 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:22,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 23:31:22,748 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:22,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash 265788455, now seen corresponding path program 1 times [2024-10-14 23:31:22,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:22,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006670965] [2024-10-14 23:31:22,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:22,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:31:22,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:22,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006670965] [2024-10-14 23:31:22,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006670965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:22,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:22,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:31:22,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701607034] [2024-10-14 23:31:22,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:22,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:31:22,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:22,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:31:22,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:22,976 INFO L87 Difference]: Start difference. First operand 702 states and 1009 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:23,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:23,039 INFO L93 Difference]: Finished difference Result 1477 states and 2119 transitions. [2024-10-14 23:31:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:31:23,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 150 [2024-10-14 23:31:23,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:23,044 INFO L225 Difference]: With dead ends: 1477 [2024-10-14 23:31:23,044 INFO L226 Difference]: Without dead ends: 781 [2024-10-14 23:31:23,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:31:23,048 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 54 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:23,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1480 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:31:23,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-14 23:31:23,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2024-10-14 23:31:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 755 states have (on average 1.4344370860927151) internal successors, (1083), 772 states have internal predecessors, (1083), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:31:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1115 transitions. [2024-10-14 23:31:23,072 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1115 transitions. Word has length 150 [2024-10-14 23:31:23,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:23,073 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1115 transitions. [2024-10-14 23:31:23,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 23:31:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1115 transitions. [2024-10-14 23:31:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 23:31:23,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:23,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:23,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 23:31:23,077 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:23,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:23,077 INFO L85 PathProgramCache]: Analyzing trace with hash -602212433, now seen corresponding path program 1 times [2024-10-14 23:31:23,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:23,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925044388] [2024-10-14 23:31:23,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:23,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:23,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:31:23,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:23,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925044388] [2024-10-14 23:31:23,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925044388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:23,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:23,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 23:31:23,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000233743] [2024-10-14 23:31:23,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:23,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:23,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:23,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:23,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:23,437 INFO L87 Difference]: Start difference. First operand 781 states and 1115 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 23:31:23,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:23,877 INFO L93 Difference]: Finished difference Result 1437 states and 2060 transitions. [2024-10-14 23:31:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 23:31:23,878 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 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 163 [2024-10-14 23:31:23,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:23,881 INFO L225 Difference]: With dead ends: 1437 [2024-10-14 23:31:23,882 INFO L226 Difference]: Without dead ends: 741 [2024-10-14 23:31:23,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:31:23,883 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 35 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:23,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 2414 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:31:23,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-14 23:31:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-14 23:31:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 713 states have (on average 1.4109396914446002) internal successors, (1006), 730 states have internal predecessors, (1006), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:31:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1038 transitions. [2024-10-14 23:31:23,903 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1038 transitions. Word has length 163 [2024-10-14 23:31:23,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:23,903 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1038 transitions. [2024-10-14 23:31:23,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 23:31:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1038 transitions. [2024-10-14 23:31:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 23:31:23,905 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:23,906 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:23,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 23:31:23,906 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:23,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:23,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1380544927, now seen corresponding path program 1 times [2024-10-14 23:31:23,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:23,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344501046] [2024-10-14 23:31:23,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:23,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:31:24,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:24,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344501046] [2024-10-14 23:31:24,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344501046] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:24,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:24,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:24,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052636943] [2024-10-14 23:31:24,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:24,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:24,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:24,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:24,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:31:24,191 INFO L87 Difference]: Start difference. First operand 739 states and 1038 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 23:31:24,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:24,528 INFO L93 Difference]: Finished difference Result 1395 states and 1972 transitions. [2024-10-14 23:31:24,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:24,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 163 [2024-10-14 23:31:24,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:24,532 INFO L225 Difference]: With dead ends: 1395 [2024-10-14 23:31:24,532 INFO L226 Difference]: Without dead ends: 741 [2024-10-14 23:31:24,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:31:24,536 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 6 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:24,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1822 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:31:24,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-14 23:31:24,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-14 23:31:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 713 states have (on average 1.4067321178120618) internal successors, (1003), 730 states have internal predecessors, (1003), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-14 23:31:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1035 transitions. [2024-10-14 23:31:24,555 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1035 transitions. Word has length 163 [2024-10-14 23:31:24,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:24,556 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1035 transitions. [2024-10-14 23:31:24,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 23:31:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1035 transitions. [2024-10-14 23:31:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 23:31:24,559 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:24,559 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:24,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 23:31:24,559 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:24,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:24,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1456340581, now seen corresponding path program 1 times [2024-10-14 23:31:24,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:24,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108130481] [2024-10-14 23:31:24,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-14 23:31:24,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:24,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108130481] [2024-10-14 23:31:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108130481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:24,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:24,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:24,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487448329] [2024-10-14 23:31:24,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:24,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:24,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:24,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:24,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:31:24,870 INFO L87 Difference]: Start difference. First operand 739 states and 1035 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 23:31:25,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:25,326 INFO L93 Difference]: Finished difference Result 1714 states and 2426 transitions. [2024-10-14 23:31:25,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:25,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 163 [2024-10-14 23:31:25,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:25,331 INFO L225 Difference]: With dead ends: 1714 [2024-10-14 23:31:25,332 INFO L226 Difference]: Without dead ends: 1060 [2024-10-14 23:31:25,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:31:25,333 INFO L432 NwaCegarLoop]: 851 mSDtfsCounter, 387 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:25,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2234 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:31:25,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2024-10-14 23:31:25,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1053. [2024-10-14 23:31:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1014 states have (on average 1.4122287968441816) internal successors, (1432), 1041 states have internal predecessors, (1432), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-14 23:31:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1490 transitions. [2024-10-14 23:31:25,369 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1490 transitions. Word has length 163 [2024-10-14 23:31:25,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:25,369 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1490 transitions. [2024-10-14 23:31:25,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-14 23:31:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1490 transitions. [2024-10-14 23:31:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-14 23:31:25,372 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:25,372 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:25,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 23:31:25,373 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:25,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1028441555, now seen corresponding path program 1 times [2024-10-14 23:31:25,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:25,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394810110] [2024-10-14 23:31:25,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:25,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:25,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:25,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:25,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 23:31:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:25,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:25,731 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:25,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:25,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394810110] [2024-10-14 23:31:25,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394810110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:25,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:25,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:25,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181618151] [2024-10-14 23:31:25,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:25,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:25,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:25,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:25,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:25,734 INFO L87 Difference]: Start difference. First operand 1053 states and 1490 transitions. Second operand has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:26,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:26,104 INFO L93 Difference]: Finished difference Result 1055 states and 1501 transitions. [2024-10-14 23:31:26,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:31:26,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 176 [2024-10-14 23:31:26,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:26,111 INFO L225 Difference]: With dead ends: 1055 [2024-10-14 23:31:26,112 INFO L226 Difference]: Without dead ends: 1053 [2024-10-14 23:31:26,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:26,113 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 472 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:26,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1815 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:31:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-10-14 23:31:26,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1051. [2024-10-14 23:31:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1014 states have (on average 1.4092702169625246) internal successors, (1429), 1039 states have internal predecessors, (1429), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-14 23:31:26,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1487 transitions. [2024-10-14 23:31:26,142 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1487 transitions. Word has length 176 [2024-10-14 23:31:26,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:26,142 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1487 transitions. [2024-10-14 23:31:26,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1487 transitions. [2024-10-14 23:31:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-14 23:31:26,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:26,144 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:26,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 23:31:26,145 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:26,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1816918665, now seen corresponding path program 1 times [2024-10-14 23:31:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:26,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070586078] [2024-10-14 23:31:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:26,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 23:31:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070586078] [2024-10-14 23:31:26,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070586078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:26,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:26,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 23:31:26,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331586694] [2024-10-14 23:31:26,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:26,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:31:26,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:26,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:31:26,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:26,460 INFO L87 Difference]: Start difference. First operand 1051 states and 1487 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:26,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:26,885 INFO L93 Difference]: Finished difference Result 1120 states and 1586 transitions. [2024-10-14 23:31:26,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:31:26,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-14 23:31:26,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:26,892 INFO L225 Difference]: With dead ends: 1120 [2024-10-14 23:31:26,892 INFO L226 Difference]: Without dead ends: 1119 [2024-10-14 23:31:26,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:31:26,894 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 465 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:26,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 2451 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:31:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-10-14 23:31:26,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1115. [2024-10-14 23:31:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1075 states have (on average 1.4018604651162792) internal successors, (1507), 1100 states have internal predecessors, (1507), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1571 transitions. [2024-10-14 23:31:26,926 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1571 transitions. Word has length 177 [2024-10-14 23:31:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:26,927 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1571 transitions. [2024-10-14 23:31:26,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1571 transitions. [2024-10-14 23:31:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-14 23:31:26,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:26,929 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:26,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 23:31:26,930 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:26,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:26,930 INFO L85 PathProgramCache]: Analyzing trace with hash 334787298, now seen corresponding path program 1 times [2024-10-14 23:31:26,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:26,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038506582] [2024-10-14 23:31:26,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:26,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-14 23:31:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:27,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:31:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:27,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 23:31:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:27,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:27,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038506582] [2024-10-14 23:31:27,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038506582] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:27,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058448850] [2024-10-14 23:31:27,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:27,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:27,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:27,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 23:31:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:28,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-14 23:31:28,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:28,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-14 23:31:28,555 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 21 treesize of output 20 [2024-10-14 23:31:29,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-14 23:31:29,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-10-14 23:31:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:29,478 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:29,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058448850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:29,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:29,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-10-14 23:31:29,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291542408] [2024-10-14 23:31:29,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:29,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 23:31:29,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:29,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 23:31:29,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-14 23:31:29,484 INFO L87 Difference]: Start difference. First operand 1115 states and 1571 transitions. Second operand has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:32,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:32,441 INFO L93 Difference]: Finished difference Result 2194 states and 3101 transitions. [2024-10-14 23:31:32,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 23:31:32,441 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-10-14 23:31:32,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:32,446 INFO L225 Difference]: With dead ends: 2194 [2024-10-14 23:31:32,446 INFO L226 Difference]: Without dead ends: 1117 [2024-10-14 23:31:32,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-10-14 23:31:32,448 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 821 mSDsluCounter, 4773 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 5409 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:32,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 5409 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-14 23:31:32,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-10-14 23:31:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1115. [2024-10-14 23:31:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1075 states have (on average 1.4009302325581396) internal successors, (1506), 1100 states have internal predecessors, (1506), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1570 transitions. [2024-10-14 23:31:32,477 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1570 transitions. Word has length 182 [2024-10-14 23:31:32,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:32,477 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1570 transitions. [2024-10-14 23:31:32,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1570 transitions. [2024-10-14 23:31:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-14 23:31:32,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:32,479 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:32,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 23:31:32,683 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,SelfDestructingSolverStorable11 [2024-10-14 23:31:32,684 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:32,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:32,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1817828102, now seen corresponding path program 1 times [2024-10-14 23:31:32,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:32,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429031745] [2024-10-14 23:31:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:32,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 23:31:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 23:31:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 23:31:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 23:31:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:33,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:33,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429031745] [2024-10-14 23:31:33,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429031745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:33,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259061053] [2024-10-14 23:31:33,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:33,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:33,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:33,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:33,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 23:31:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:34,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-14 23:31:34,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:34,554 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:34,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:34,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259061053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:34,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:34,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-14 23:31:34,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703566730] [2024-10-14 23:31:34,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:34,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:34,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:34,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:34,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:34,556 INFO L87 Difference]: Start difference. First operand 1115 states and 1570 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:34,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:34,689 INFO L93 Difference]: Finished difference Result 2192 states and 3100 transitions. [2024-10-14 23:31:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:34,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-14 23:31:34,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:34,694 INFO L225 Difference]: With dead ends: 2192 [2024-10-14 23:31:34,695 INFO L226 Difference]: Without dead ends: 1115 [2024-10-14 23:31:34,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:34,697 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 13 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:34,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1824 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 23:31:34,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2024-10-14 23:31:34,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115. [2024-10-14 23:31:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1075 states have (on average 1.3990697674418604) internal successors, (1504), 1100 states have internal predecessors, (1504), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1568 transitions. [2024-10-14 23:31:34,726 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1568 transitions. Word has length 183 [2024-10-14 23:31:34,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:34,728 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1568 transitions. [2024-10-14 23:31:34,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:34,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1568 transitions. [2024-10-14 23:31:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-14 23:31:34,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:34,731 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:34,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 23:31:34,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:34,932 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:34,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash -491047491, now seen corresponding path program 1 times [2024-10-14 23:31:34,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:34,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98607784] [2024-10-14 23:31:34,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:34,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 23:31:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 23:31:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 23:31:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:35,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:35,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98607784] [2024-10-14 23:31:35,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98607784] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:35,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:35,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 23:31:35,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554828690] [2024-10-14 23:31:35,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:35,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:35,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:35,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:35,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:35,487 INFO L87 Difference]: Start difference. First operand 1115 states and 1568 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:36,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:36,267 INFO L93 Difference]: Finished difference Result 2197 states and 3116 transitions. [2024-10-14 23:31:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:36,268 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-14 23:31:36,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:36,273 INFO L225 Difference]: With dead ends: 2197 [2024-10-14 23:31:36,273 INFO L226 Difference]: Without dead ends: 1123 [2024-10-14 23:31:36,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 23:31:36,275 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 9 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3448 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:36,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3448 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 23:31:36,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-10-14 23:31:36,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1121. [2024-10-14 23:31:36,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1081 states have (on average 1.3968547641073081) internal successors, (1510), 1106 states have internal predecessors, (1510), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1574 transitions. [2024-10-14 23:31:36,300 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1574 transitions. Word has length 184 [2024-10-14 23:31:36,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:36,301 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1574 transitions. [2024-10-14 23:31:36,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1574 transitions. [2024-10-14 23:31:36,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 23:31:36,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:36,303 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:36,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 23:31:36,303 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:36,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:36,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1838135917, now seen corresponding path program 1 times [2024-10-14 23:31:36,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:36,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969830110] [2024-10-14 23:31:36,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:36,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:36,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:36,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:36,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 23:31:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 23:31:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:36,777 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:36,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:36,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969830110] [2024-10-14 23:31:36,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969830110] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:36,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:36,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:31:36,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572850191] [2024-10-14 23:31:36,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:36,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:31:36,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:36,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:31:36,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:31:36,779 INFO L87 Difference]: Start difference. First operand 1121 states and 1574 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:37,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:37,429 INFO L93 Difference]: Finished difference Result 2203 states and 3120 transitions. [2024-10-14 23:31:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:31:37,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-14 23:31:37,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:37,434 INFO L225 Difference]: With dead ends: 2203 [2024-10-14 23:31:37,434 INFO L226 Difference]: Without dead ends: 1133 [2024-10-14 23:31:37,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:31:37,438 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 13 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3994 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:37,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3994 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 23:31:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-14 23:31:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1129. [2024-10-14 23:31:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1089 states have (on average 1.3957759412304866) internal successors, (1520), 1114 states have internal predecessors, (1520), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:37,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1584 transitions. [2024-10-14 23:31:37,464 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1584 transitions. Word has length 185 [2024-10-14 23:31:37,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:37,464 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1584 transitions. [2024-10-14 23:31:37,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:37,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1584 transitions. [2024-10-14 23:31:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-14 23:31:37,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:37,466 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:37,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 23:31:37,467 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:37,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:37,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1587474551, now seen corresponding path program 1 times [2024-10-14 23:31:37,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:37,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580293035] [2024-10-14 23:31:37,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:37,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 23:31:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 23:31:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,238 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:38,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:38,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580293035] [2024-10-14 23:31:38,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580293035] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:38,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979520288] [2024-10-14 23:31:38,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:38,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:38,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:38,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:31:38,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 23:31:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:38,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-14 23:31:38,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 23:31:39,060 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:39,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979520288] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:39,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:39,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-14 23:31:39,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246889234] [2024-10-14 23:31:39,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:39,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 23:31:39,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:39,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 23:31:39,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-14 23:31:39,064 INFO L87 Difference]: Start difference. First operand 1129 states and 1584 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:39,399 INFO L93 Difference]: Finished difference Result 2089 states and 2961 transitions. [2024-10-14 23:31:39,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 23:31:39,400 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 185 [2024-10-14 23:31:39,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:39,404 INFO L225 Difference]: With dead ends: 2089 [2024-10-14 23:31:39,404 INFO L226 Difference]: Without dead ends: 1151 [2024-10-14 23:31:39,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-14 23:31:39,406 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 25 mSDsluCounter, 3513 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 4151 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:39,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 4151 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:31:39,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-10-14 23:31:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1143. [2024-10-14 23:31:39,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1103 states have (on average 1.3925657298277425) internal successors, (1536), 1128 states have internal predecessors, (1536), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:39,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1600 transitions. [2024-10-14 23:31:39,431 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1600 transitions. Word has length 185 [2024-10-14 23:31:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:39,431 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1600 transitions. [2024-10-14 23:31:39,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:39,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1600 transitions. [2024-10-14 23:31:39,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-14 23:31:39,433 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:39,433 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:39,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 23:31:39,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-14 23:31:39,634 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:39,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:39,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1298671735, now seen corresponding path program 1 times [2024-10-14 23:31:39,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:39,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766535044] [2024-10-14 23:31:39,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:39,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:40,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:40,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-14 23:31:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 23:31:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:40,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:40,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766535044] [2024-10-14 23:31:40,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766535044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:40,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:40,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:31:40,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979010888] [2024-10-14 23:31:40,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:40,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:31:40,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:40,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:31:40,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:31:40,323 INFO L87 Difference]: Start difference. First operand 1143 states and 1600 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:40,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:40,927 INFO L93 Difference]: Finished difference Result 2089 states and 2962 transitions. [2024-10-14 23:31:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:31:40,927 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-14 23:31:40,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:40,932 INFO L225 Difference]: With dead ends: 2089 [2024-10-14 23:31:40,932 INFO L226 Difference]: Without dead ends: 1145 [2024-10-14 23:31:40,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 23:31:40,934 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 26 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:40,935 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3430 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 23:31:40,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-10-14 23:31:40,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1137. [2024-10-14 23:31:40,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1097 states have (on average 1.3910665451230628) internal successors, (1526), 1122 states have internal predecessors, (1526), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1590 transitions. [2024-10-14 23:31:40,960 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1590 transitions. Word has length 186 [2024-10-14 23:31:40,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:40,960 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1590 transitions. [2024-10-14 23:31:40,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1590 transitions. [2024-10-14 23:31:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-14 23:31:40,962 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:40,962 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:40,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 23:31:40,963 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:40,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:40,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1887576366, now seen corresponding path program 1 times [2024-10-14 23:31:40,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:40,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407555319] [2024-10-14 23:31:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:40,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:41,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:41,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:41,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 23:31:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:41,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 23:31:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:41,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:41,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407555319] [2024-10-14 23:31:41,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407555319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:41,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:41,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 23:31:41,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388871417] [2024-10-14 23:31:41,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:41,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:31:41,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:41,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:31:41,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:31:41,603 INFO L87 Difference]: Start difference. First operand 1137 states and 1590 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:42,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:42,143 INFO L93 Difference]: Finished difference Result 2088 states and 2959 transitions. [2024-10-14 23:31:42,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:31:42,144 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-14 23:31:42,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:42,152 INFO L225 Difference]: With dead ends: 2088 [2024-10-14 23:31:42,156 INFO L226 Difference]: Without dead ends: 1149 [2024-10-14 23:31:42,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 23:31:42,158 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 17 mSDsluCounter, 2800 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3447 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:42,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3447 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 23:31:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-10-14 23:31:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1143. [2024-10-14 23:31:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1103 states have (on average 1.3889392565729828) internal successors, (1532), 1128 states have internal predecessors, (1532), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1596 transitions. [2024-10-14 23:31:42,210 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1596 transitions. Word has length 187 [2024-10-14 23:31:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:42,212 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1596 transitions. [2024-10-14 23:31:42,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1596 transitions. [2024-10-14 23:31:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-14 23:31:42,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:42,214 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:42,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 23:31:42,215 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:42,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:42,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1266900512, now seen corresponding path program 1 times [2024-10-14 23:31:42,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:42,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938570343] [2024-10-14 23:31:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 23:31:42,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-14 23:31:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 23:31:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 23:31:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:42,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938570343] [2024-10-14 23:31:42,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938570343] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668887440] [2024-10-14 23:31:42,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:42,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:42,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:42,824 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) [2024-10-14 23:31:42,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 23:31:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:43,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-14 23:31:43,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:47,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:47,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668887440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:47,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:47,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-14 23:31:47,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15256171] [2024-10-14 23:31:47,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:47,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:47,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:47,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:47,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:47,908 INFO L87 Difference]: Start difference. First operand 1143 states and 1596 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:48,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:48,272 INFO L93 Difference]: Finished difference Result 2241 states and 3145 transitions. [2024-10-14 23:31:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:48,273 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-10-14 23:31:48,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:48,278 INFO L225 Difference]: With dead ends: 2241 [2024-10-14 23:31:48,278 INFO L226 Difference]: Without dead ends: 1153 [2024-10-14 23:31:48,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:48,280 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 8 mSDsluCounter, 2875 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:48,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3518 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:31:48,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-10-14 23:31:48,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1143. [2024-10-14 23:31:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1103 states have (on average 1.3889392565729828) internal successors, (1532), 1128 states have internal predecessors, (1532), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1596 transitions. [2024-10-14 23:31:48,304 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1596 transitions. Word has length 188 [2024-10-14 23:31:48,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:48,304 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1596 transitions. [2024-10-14 23:31:48,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:48,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1596 transitions. [2024-10-14 23:31:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-14 23:31:48,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:48,307 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:48,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 23:31:48,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:48,508 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:48,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1351068986, now seen corresponding path program 1 times [2024-10-14 23:31:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:48,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10646696] [2024-10-14 23:31:48,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:49,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 23:31:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:49,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 23:31:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:49,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 23:31:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:49,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 23:31:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:49,029 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:49,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:49,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10646696] [2024-10-14 23:31:49,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10646696] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:49,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:49,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 23:31:49,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361453954] [2024-10-14 23:31:49,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:49,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:31:49,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:49,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:31:49,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:49,032 INFO L87 Difference]: Start difference. First operand 1143 states and 1596 transitions. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:49,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:49,703 INFO L93 Difference]: Finished difference Result 2248 states and 3163 transitions. [2024-10-14 23:31:49,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 23:31:49,703 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-14 23:31:49,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:49,708 INFO L225 Difference]: With dead ends: 2248 [2024-10-14 23:31:49,709 INFO L226 Difference]: Without dead ends: 1165 [2024-10-14 23:31:49,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:49,710 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 21 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:49,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 4082 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 23:31:49,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2024-10-14 23:31:49,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1157. [2024-10-14 23:31:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1117 states have (on average 1.387645478961504) internal successors, (1550), 1142 states have internal predecessors, (1550), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1614 transitions. [2024-10-14 23:31:49,733 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1614 transitions. Word has length 189 [2024-10-14 23:31:49,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:49,734 INFO L471 AbstractCegarLoop]: Abstraction has 1157 states and 1614 transitions. [2024-10-14 23:31:49,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1614 transitions. [2024-10-14 23:31:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-14 23:31:49,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:49,736 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:49,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 23:31:49,736 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:49,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:49,737 INFO L85 PathProgramCache]: Analyzing trace with hash 483322794, now seen corresponding path program 1 times [2024-10-14 23:31:49,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:49,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549990295] [2024-10-14 23:31:49,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:49,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:50,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 23:31:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:50,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 23:31:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 23:31:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:50,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 23:31:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:50,598 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:50,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:50,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549990295] [2024-10-14 23:31:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549990295] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:50,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524712349] [2024-10-14 23:31:50,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:50,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:50,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:50,601 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) [2024-10-14 23:31:50,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 23:31:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:51,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 23:31:51,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:51,417 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:51,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524712349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:51,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:51,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-14 23:31:51,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223971169] [2024-10-14 23:31:51,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:51,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 23:31:51,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:51,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 23:31:51,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:51,419 INFO L87 Difference]: Start difference. First operand 1157 states and 1614 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:51,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:51,719 INFO L93 Difference]: Finished difference Result 2257 states and 3164 transitions. [2024-10-14 23:31:51,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 23:31:51,720 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-14 23:31:51,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:51,725 INFO L225 Difference]: With dead ends: 2257 [2024-10-14 23:31:51,725 INFO L226 Difference]: Without dead ends: 1167 [2024-10-14 23:31:51,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-14 23:31:51,728 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 13 mSDsluCounter, 2891 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3525 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:51,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3525 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 23:31:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2024-10-14 23:31:51,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1161. [2024-10-14 23:31:51,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1121 states have (on average 1.3862622658340766) internal successors, (1554), 1146 states have internal predecessors, (1554), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1618 transitions. [2024-10-14 23:31:51,754 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1618 transitions. Word has length 189 [2024-10-14 23:31:51,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:51,754 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1618 transitions. [2024-10-14 23:31:51,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1618 transitions. [2024-10-14 23:31:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 23:31:51,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:51,757 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:51,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 23:31:51,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:51,957 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:51,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:51,958 INFO L85 PathProgramCache]: Analyzing trace with hash -599477968, now seen corresponding path program 1 times [2024-10-14 23:31:51,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:51,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337191159] [2024-10-14 23:31:51,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:52,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:52,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 23:31:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:52,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:31:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:52,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:52,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337191159] [2024-10-14 23:31:52,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337191159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:52,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:31:52,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 23:31:52,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594453986] [2024-10-14 23:31:52,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:52,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:31:52,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:52,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:31:52,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:31:52,573 INFO L87 Difference]: Start difference. First operand 1161 states and 1618 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:53,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:53,302 INFO L93 Difference]: Finished difference Result 2278 states and 3202 transitions. [2024-10-14 23:31:53,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 23:31:53,303 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-14 23:31:53,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:53,308 INFO L225 Difference]: With dead ends: 2278 [2024-10-14 23:31:53,309 INFO L226 Difference]: Without dead ends: 1181 [2024-10-14 23:31:53,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-14 23:31:53,311 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 24 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 5210 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:53,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 5210 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 23:31:53,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2024-10-14 23:31:53,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1167. [2024-10-14 23:31:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 1127 states have (on average 1.3842058562555457) internal successors, (1560), 1152 states have internal predecessors, (1560), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1624 transitions. [2024-10-14 23:31:53,340 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1624 transitions. Word has length 190 [2024-10-14 23:31:53,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:53,341 INFO L471 AbstractCegarLoop]: Abstraction has 1167 states and 1624 transitions. [2024-10-14 23:31:53,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1624 transitions. [2024-10-14 23:31:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 23:31:53,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:53,343 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:53,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 23:31:53,343 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:53,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:53,344 INFO L85 PathProgramCache]: Analyzing trace with hash 432092364, now seen corresponding path program 1 times [2024-10-14 23:31:53,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:53,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979805406] [2024-10-14 23:31:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 23:31:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:31:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:54,006 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:54,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:54,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979805406] [2024-10-14 23:31:54,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979805406] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:54,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743271077] [2024-10-14 23:31:54,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:54,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:54,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:54,008 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) [2024-10-14 23:31:54,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 23:31:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:55,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-14 23:31:55,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-14 23:31:55,691 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:55,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743271077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:55,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:55,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-10-14 23:31:55,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975666004] [2024-10-14 23:31:55,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:55,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 23:31:55,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:55,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 23:31:55,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-14 23:31:55,693 INFO L87 Difference]: Start difference. First operand 1167 states and 1624 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:56,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:56,517 INFO L93 Difference]: Finished difference Result 2297 states and 3214 transitions. [2024-10-14 23:31:56,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 23:31:56,518 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-14 23:31:56,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:56,522 INFO L225 Difference]: With dead ends: 2297 [2024-10-14 23:31:56,522 INFO L226 Difference]: Without dead ends: 1197 [2024-10-14 23:31:56,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-14 23:31:56,524 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 13 mSDsluCounter, 4664 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5308 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:56,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5308 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 23:31:56,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-10-14 23:31:56,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1191. [2024-10-14 23:31:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1151 states have (on average 1.3814074717636837) internal successors, (1590), 1176 states have internal predecessors, (1590), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 23:31:56,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1654 transitions. [2024-10-14 23:31:56,548 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1654 transitions. Word has length 190 [2024-10-14 23:31:56,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:56,548 INFO L471 AbstractCegarLoop]: Abstraction has 1191 states and 1654 transitions. [2024-10-14 23:31:56,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:31:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1654 transitions. [2024-10-14 23:31:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 23:31:56,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:56,551 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:56,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-14 23:31:56,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:56,751 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:56,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1667579237, now seen corresponding path program 1 times [2024-10-14 23:31:56,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:56,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577000031] [2024-10-14 23:31:56,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:56,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:57,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:57,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-14 23:31:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:57,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 23:31:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:57,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:31:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-14 23:31:57,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:57,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577000031] [2024-10-14 23:31:57,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577000031] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:57,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983415313] [2024-10-14 23:31:57,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:57,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:57,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:57,672 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) [2024-10-14 23:31:57,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 23:31:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:58,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 23:31:58,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:31:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-14 23:31:58,666 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:31:58,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983415313] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:31:58,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:31:58,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-14 23:31:58,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943478593] [2024-10-14 23:31:58,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:31:58,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:31:58,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:31:58,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:31:58,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:31:58,669 INFO L87 Difference]: Start difference. First operand 1191 states and 1654 transitions. Second operand has 4 states, 3 states have (on average 59.333333333333336) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:31:58,723 INFO L93 Difference]: Finished difference Result 2265 states and 3171 transitions. [2024-10-14 23:31:58,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:31:58,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 59.333333333333336) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-10-14 23:31:58,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:31:58,730 INFO L225 Difference]: With dead ends: 2265 [2024-10-14 23:31:58,730 INFO L226 Difference]: Without dead ends: 1193 [2024-10-14 23:31:58,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 23:31:58,733 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 0 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 23:31:58,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1955 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 23:31:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-10-14 23:31:58,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2024-10-14 23:31:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1152 states have (on average 1.3819444444444444) internal successors, (1592), 1178 states have internal predecessors, (1592), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-14 23:31:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1660 transitions. [2024-10-14 23:31:58,771 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1660 transitions. Word has length 190 [2024-10-14 23:31:58,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:31:58,771 INFO L471 AbstractCegarLoop]: Abstraction has 1193 states and 1660 transitions. [2024-10-14 23:31:58,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 59.333333333333336) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-14 23:31:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1660 transitions. [2024-10-14 23:31:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 23:31:58,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:31:58,773 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:31:58,798 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-14 23:31:58,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-14 23:31:58,975 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:31:58,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:31:58,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1174926437, now seen corresponding path program 1 times [2024-10-14 23:31:58,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:31:58,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783012913] [2024-10-14 23:31:58,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:58,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:31:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:31:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:59,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 23:31:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:59,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 23:31:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:59,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 23:31:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:31:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 23:31:59,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:31:59,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783012913] [2024-10-14 23:31:59,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783012913] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:31:59,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932849695] [2024-10-14 23:31:59,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:31:59,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:31:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:31:59,823 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) [2024-10-14 23:31:59,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-14 23:32:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:00,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 23:32:00,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-14 23:32:00,718 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:32:00,829 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-14 23:32:00,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932849695] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:32:00,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:32:00,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-14 23:32:00,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428620741] [2024-10-14 23:32:00,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:32:00,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 23:32:00,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:32:00,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 23:32:00,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-14 23:32:00,832 INFO L87 Difference]: Start difference. First operand 1193 states and 1660 transitions. Second operand has 11 states, 8 states have (on average 24.125) internal successors, (193), 10 states have internal predecessors, (193), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:32:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:32:01,286 INFO L93 Difference]: Finished difference Result 2276 states and 3202 transitions. [2024-10-14 23:32:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 23:32:01,287 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 24.125) internal successors, (193), 10 states have internal predecessors, (193), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 194 [2024-10-14 23:32:01,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:32:01,292 INFO L225 Difference]: With dead ends: 2276 [2024-10-14 23:32:01,293 INFO L226 Difference]: Without dead ends: 1201 [2024-10-14 23:32:01,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-10-14 23:32:01,295 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 12 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 23:32:01,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2474 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 23:32:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2024-10-14 23:32:01,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2024-10-14 23:32:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1159 states have (on average 1.383088869715272) internal successors, (1603), 1185 states have internal predecessors, (1603), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (40), 16 states have call predecessors, (40), 32 states have call successors, (40) [2024-10-14 23:32:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1675 transitions. [2024-10-14 23:32:01,322 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1675 transitions. Word has length 194 [2024-10-14 23:32:01,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:32:01,323 INFO L471 AbstractCegarLoop]: Abstraction has 1201 states and 1675 transitions. [2024-10-14 23:32:01,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 24.125) internal successors, (193), 10 states have internal predecessors, (193), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:32:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1675 transitions. [2024-10-14 23:32:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-14 23:32:01,324 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:32:01,324 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:32:01,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-14 23:32:01,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-14 23:32:01,527 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:32:01,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:32:01,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1401499813, now seen corresponding path program 2 times [2024-10-14 23:32:01,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:32:01,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345167813] [2024-10-14 23:32:01,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:01,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:32:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:02,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:32:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 23:32:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:02,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 23:32:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:02,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 23:32:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-10-14 23:32:02,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:32:02,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345167813] [2024-10-14 23:32:02,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345167813] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:32:02,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038994817] [2024-10-14 23:32:02,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 23:32:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:32:02,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:32:02,447 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) [2024-10-14 23:32:02,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-14 23:32:03,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 23:32:03,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 23:32:03,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 23:32:03,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 23:32:03,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:32:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-10-14 23:32:03,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038994817] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:32:03,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:32:03,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 15 [2024-10-14 23:32:03,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911281615] [2024-10-14 23:32:03,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:32:03,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 23:32:03,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:32:03,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 23:32:03,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-14 23:32:03,618 INFO L87 Difference]: Start difference. First operand 1201 states and 1675 transitions. Second operand has 15 states, 12 states have (on average 16.25) internal successors, (195), 14 states have internal predecessors, (195), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:32:04,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:32:04,312 INFO L93 Difference]: Finished difference Result 2289 states and 3219 transitions. [2024-10-14 23:32:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 23:32:04,313 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 16.25) internal successors, (195), 14 states have internal predecessors, (195), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 202 [2024-10-14 23:32:04,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:32:04,322 INFO L225 Difference]: With dead ends: 2289 [2024-10-14 23:32:04,322 INFO L226 Difference]: Without dead ends: 1207 [2024-10-14 23:32:04,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2024-10-14 23:32:04,327 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 32 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 4310 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 23:32:04,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 4310 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 23:32:04,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-10-14 23:32:04,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2024-10-14 23:32:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1163 states have (on average 1.3852106620808255) internal successors, (1611), 1189 states have internal predecessors, (1611), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-14 23:32:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1679 transitions. [2024-10-14 23:32:04,359 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1679 transitions. Word has length 202 [2024-10-14 23:32:04,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:32:04,359 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1679 transitions. [2024-10-14 23:32:04,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 16.25) internal successors, (195), 14 states have internal predecessors, (195), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:32:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1679 transitions. [2024-10-14 23:32:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-14 23:32:04,360 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:32:04,361 INFO L215 NwaCegarLoop]: trace histogram [20, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:32:04,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-14 23:32:04,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-14 23:32:04,562 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:32:04,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:32:04,562 INFO L85 PathProgramCache]: Analyzing trace with hash 91342885, now seen corresponding path program 3 times [2024-10-14 23:32:04,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:32:04,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730748285] [2024-10-14 23:32:04,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:04,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:32:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 23:32:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 23:32:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:05,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 23:32:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:05,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 23:32:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 5 proven. 143 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-14 23:32:05,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:32:05,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730748285] [2024-10-14 23:32:05,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730748285] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:32:05,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520261289] [2024-10-14 23:32:05,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 23:32:05,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:32:05,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:32:05,784 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:32:05,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-14 23:32:06,513 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 23:32:06,513 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 23:32:06,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-14 23:32:06,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-14 23:32:06,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 23:32:06,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520261289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:32:06,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 23:32:06,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-14 23:32:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298095071] [2024-10-14 23:32:06,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:32:06,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 23:32:06,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:32:06,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 23:32:06,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-10-14 23:32:06,706 INFO L87 Difference]: Start difference. First operand 1205 states and 1679 transitions. Second operand has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:32:06,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:32:06,966 INFO L93 Difference]: Finished difference Result 2345 states and 3289 transitions. [2024-10-14 23:32:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 23:32:06,967 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 210 [2024-10-14 23:32:06,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:32:06,970 INFO L225 Difference]: With dead ends: 2345 [2024-10-14 23:32:06,970 INFO L226 Difference]: Without dead ends: 1217 [2024-10-14 23:32:06,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-10-14 23:32:06,972 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 8 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 23:32:06,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3570 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 23:32:06,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-10-14 23:32:06,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1217. [2024-10-14 23:32:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1175 states have (on average 1.3829787234042554) internal successors, (1625), 1201 states have internal predecessors, (1625), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-14 23:32:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1693 transitions. [2024-10-14 23:32:06,999 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1693 transitions. Word has length 210 [2024-10-14 23:32:07,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:32:07,000 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1693 transitions. [2024-10-14 23:32:07,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-14 23:32:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1693 transitions. [2024-10-14 23:32:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 23:32:07,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:32:07,002 INFO L215 NwaCegarLoop]: trace histogram [20, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:32:07,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-14 23:32:07,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-14 23:32:07,203 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:32:07,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:32:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash -726965975, now seen corresponding path program 1 times [2024-10-14 23:32:07,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:32:07,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664687924] [2024-10-14 23:32:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:32:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:32:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 23:32:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 23:32:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 23:32:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 5 proven. 143 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-14 23:32:08,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:32:08,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664687924] [2024-10-14 23:32:08,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664687924] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:32:08,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919883688] [2024-10-14 23:32:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:08,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:32:08,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:32:08,442 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:32:08,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-14 23:32:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:09,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-14 23:32:09,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 188 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-14 23:32:09,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 23:32:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 41 proven. 72 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-14 23:32:09,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919883688] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 23:32:09,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 23:32:09,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 23 [2024-10-14 23:32:09,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968208124] [2024-10-14 23:32:09,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 23:32:09,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 23:32:09,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:32:09,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 23:32:09,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-10-14 23:32:09,740 INFO L87 Difference]: Start difference. First operand 1217 states and 1693 transitions. Second operand has 23 states, 20 states have (on average 10.35) internal successors, (207), 22 states have internal predecessors, (207), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:32:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 23:32:10,624 INFO L93 Difference]: Finished difference Result 2324 states and 3278 transitions. [2024-10-14 23:32:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-14 23:32:10,624 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 10.35) internal successors, (207), 22 states have internal predecessors, (207), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 211 [2024-10-14 23:32:10,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 23:32:10,629 INFO L225 Difference]: With dead ends: 2324 [2024-10-14 23:32:10,629 INFO L226 Difference]: Without dead ends: 1228 [2024-10-14 23:32:10,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=346, Invalid=914, Unknown=0, NotChecked=0, Total=1260 [2024-10-14 23:32:10,631 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 38 mSDsluCounter, 5540 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 6177 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 23:32:10,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 6177 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 23:32:10,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-10-14 23:32:10,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1226. [2024-10-14 23:32:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1184 states have (on average 1.380912162162162) internal successors, (1635), 1210 states have internal predecessors, (1635), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-14 23:32:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1703 transitions. [2024-10-14 23:32:10,656 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1703 transitions. Word has length 211 [2024-10-14 23:32:10,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 23:32:10,656 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1703 transitions. [2024-10-14 23:32:10,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 10.35) internal successors, (207), 22 states have internal predecessors, (207), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-14 23:32:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1703 transitions. [2024-10-14 23:32:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-14 23:32:10,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 23:32:10,658 INFO L215 NwaCegarLoop]: trace histogram [38, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:32:10,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-14 23:32:10,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-14 23:32:10,859 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-14 23:32:10,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:32:10,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1209244227, now seen corresponding path program 2 times [2024-10-14 23:32:10,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:32:10,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614299992] [2024-10-14 23:32:10,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:32:10,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:32:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 23:32:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:12,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 23:32:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:12,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 23:32:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:12,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 23:32:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:32:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 5 proven. 303 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-10-14 23:32:12,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:32:12,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614299992] [2024-10-14 23:32:12,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614299992] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 23:32:12,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351728775] [2024-10-14 23:32:12,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 23:32:12,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 23:32:12,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:32:12,343 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 23:32:12,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-14 23:32:14,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 23:32:14,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 23:32:14,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-14 23:32:14,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 23:32:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 559 proven. 78 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-14 23:32:14,862 INFO L311 TraceCheckSpWp]: Computing backward predicates...