./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:29:12,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:29:13,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:29:13,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:29:13,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:29:13,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:29:13,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:29:13,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:29:13,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:29:13,037 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:29:13,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:29:13,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:29:13,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:29:13,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:29:13,040 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:29:13,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:29:13,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:29:13,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:29:13,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:29:13,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:29:13,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:29:13,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:29:13,045 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:29:13,045 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:29:13,045 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:29:13,046 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:29:13,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:29:13,046 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:29:13,046 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:29:13,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:29:13,046 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:29:13,046 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:29:13,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:29:13,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:29:13,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:29:13,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:29:13,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:29:13,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:29:13,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:29:13,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:29:13,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:29:13,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:29:13,049 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:29:13,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:29:13,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2024-11-19 13:29:13,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:29:13,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:29:13,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:29:13,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:29:13,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:29:13,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2024-11-19 13:29:14,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:29:14,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:29:14,804 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2024-11-19 13:29:14,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ff6f3c3/7133b1776ff24395b0799fd85bb22384/FLAGe18151f33 [2024-11-19 13:29:15,154 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ff6f3c3/7133b1776ff24395b0799fd85bb22384 [2024-11-19 13:29:15,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:29:15,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:29:15,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:29:15,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:29:15,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:29:15,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59cd18ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15, skipping insertion in model container [2024-11-19 13:29:15,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:29:15,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:29:15,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:29:15,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:29:15,771 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:29:15,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15 WrapperNode [2024-11-19 13:29:15,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:29:15,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:29:15,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:29:15,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:29:15,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,846 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1629 [2024-11-19 13:29:15,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:29:15,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:29:15,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:29:15,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:29:15,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,937 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [267, 2, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 62 writes are split as follows [58, 0, 4]. [2024-11-19 13:29:15,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:15,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:16,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:29:16,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:29:16,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:29:16,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:29:16,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (1/1) ... [2024-11-19 13:29:16,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:29:16,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:16,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:29:16,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:29:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 13:29:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 13:29:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:29:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:29:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:29:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:29:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:29:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:29:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:29:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:29:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:29:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:29:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 13:29:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:29:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:29:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 13:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:29:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:29:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:29:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:29:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:29:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:29:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:29:16,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:29:16,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:29:17,454 INFO L? ?]: Removed 358 outVars from TransFormulas that were not future-live. [2024-11-19 13:29:17,455 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:29:17,468 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:29:17,468 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-19 13:29:17,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:29:17 BoogieIcfgContainer [2024-11-19 13:29:17,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:29:17,470 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:29:17,470 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:29:17,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:29:17,472 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:29:15" (1/3) ... [2024-11-19 13:29:17,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71617e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:29:17, skipping insertion in model container [2024-11-19 13:29:17,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:15" (2/3) ... [2024-11-19 13:29:17,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71617e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:29:17, skipping insertion in model container [2024-11-19 13:29:17,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:29:17" (3/3) ... [2024-11-19 13:29:17,474 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-2.i [2024-11-19 13:29:17,485 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:29:17,485 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 13:29:17,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:29:17,548 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;@317c46d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:29:17,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:29:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 13:29:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:29:17,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:17,556 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:17,556 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:17,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:17,560 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-19 13:29:17,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:17,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902625899] [2024-11-19 13:29:17,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:17,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:17,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:17,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902625899] [2024-11-19 13:29:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902625899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:17,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:17,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:29:17,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942498991] [2024-11-19 13:29:17,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:17,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:29:17,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:17,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:29:17,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:29:17,692 INFO L87 Difference]: Start difference. First operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:17,759 INFO L93 Difference]: Finished difference Result 924 states and 1482 transitions. [2024-11-19 13:29:17,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:29:17,761 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 13:29:17,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:17,769 INFO L225 Difference]: With dead ends: 924 [2024-11-19 13:29:17,769 INFO L226 Difference]: Without dead ends: 420 [2024-11-19 13:29:17,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:29:17,777 INFO L432 NwaCegarLoop]: 659 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:17,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:17,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-19 13:29:17,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-19 13:29:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 402 states have (on average 1.4601990049751243) internal successors, (587), 414 states have internal predecessors, (587), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-11-19 13:29:17,825 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 7 [2024-11-19 13:29:17,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:17,825 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-11-19 13:29:17,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-11-19 13:29:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:29:17,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:17,826 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:17,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:29:17,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:17,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-19 13:29:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:17,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669461883] [2024-11-19 13:29:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:29:17,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84861494] [2024-11-19 13:29:17,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:17,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:17,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:17,855 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:17,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:29:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:17,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:29:17,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:18,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:18,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:18,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:18,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669461883] [2024-11-19 13:29:18,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:29:18,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84861494] [2024-11-19 13:29:18,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84861494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:18,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:18,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:18,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022226439] [2024-11-19 13:29:18,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:18,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:18,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:18,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:18,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:29:18,056 INFO L87 Difference]: Start difference. First operand 420 states and 603 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:18,156 INFO L93 Difference]: Finished difference Result 830 states and 1197 transitions. [2024-11-19 13:29:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:18,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 13:29:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:18,160 INFO L225 Difference]: With dead ends: 830 [2024-11-19 13:29:18,160 INFO L226 Difference]: Without dead ends: 828 [2024-11-19 13:29:18,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:18,161 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 571 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:18,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1820 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:18,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-19 13:29:18,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 426. [2024-11-19 13:29:18,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4558823529411764) internal successors, (594), 420 states have internal predecessors, (594), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:18,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 610 transitions. [2024-11-19 13:29:18,180 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 610 transitions. Word has length 7 [2024-11-19 13:29:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:18,180 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 610 transitions. [2024-11-19 13:29:18,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2024-11-19 13:29:18,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:29:18,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:18,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:18,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:29:18,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:18,382 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:18,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:18,383 INFO L85 PathProgramCache]: Analyzing trace with hash -157664827, now seen corresponding path program 1 times [2024-11-19 13:29:18,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:18,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706062100] [2024-11-19 13:29:18,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:18,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:18,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:18,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:18,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706062100] [2024-11-19 13:29:18,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706062100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:18,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:18,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:29:18,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463645351] [2024-11-19 13:29:18,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:18,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:18,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:18,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:18,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:29:18,502 INFO L87 Difference]: Start difference. First operand 426 states and 610 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:18,606 INFO L93 Difference]: Finished difference Result 1038 states and 1500 transitions. [2024-11-19 13:29:18,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:18,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-19 13:29:18,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:18,613 INFO L225 Difference]: With dead ends: 1038 [2024-11-19 13:29:18,613 INFO L226 Difference]: Without dead ends: 827 [2024-11-19 13:29:18,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:18,615 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 572 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:18,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1741 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:18,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-19 13:29:18,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 426. [2024-11-19 13:29:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 420 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:18,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 609 transitions. [2024-11-19 13:29:18,640 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 609 transitions. Word has length 10 [2024-11-19 13:29:18,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:18,640 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 609 transitions. [2024-11-19 13:29:18,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2024-11-19 13:29:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:29:18,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:18,642 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:18,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:29:18,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:18,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:18,643 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-19 13:29:18,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:18,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487497612] [2024-11-19 13:29:18,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:18,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:19,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487497612] [2024-11-19 13:29:19,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487497612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:19,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:19,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:29:19,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293024933] [2024-11-19 13:29:19,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:19,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:29:19,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:19,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:29:19,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:19,002 INFO L87 Difference]: Start difference. First operand 426 states and 609 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:19,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:19,065 INFO L93 Difference]: Finished difference Result 802 states and 1144 transitions. [2024-11-19 13:29:19,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:29:19,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 13:29:19,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:19,067 INFO L225 Difference]: With dead ends: 802 [2024-11-19 13:29:19,067 INFO L226 Difference]: Without dead ends: 384 [2024-11-19 13:29:19,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:19,068 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 27 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:19,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1482 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:19,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-19 13:29:19,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-19 13:29:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 366 states have (on average 1.4098360655737705) internal successors, (516), 378 states have internal predecessors, (516), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 532 transitions. [2024-11-19 13:29:19,077 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 532 transitions. Word has length 81 [2024-11-19 13:29:19,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:19,077 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 532 transitions. [2024-11-19 13:29:19,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 532 transitions. [2024-11-19 13:29:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:29:19,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:19,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:19,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:29:19,080 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:19,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:19,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1580811434, now seen corresponding path program 1 times [2024-11-19 13:29:19,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:19,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884959741] [2024-11-19 13:29:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:19,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:19,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:19,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884959741] [2024-11-19 13:29:19,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884959741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:19,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:19,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:19,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652595982] [2024-11-19 13:29:19,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:19,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:29:19,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:19,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:29:19,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:19,206 INFO L87 Difference]: Start difference. First operand 384 states and 532 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:19,269 INFO L93 Difference]: Finished difference Result 1029 states and 1445 transitions. [2024-11-19 13:29:19,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:29:19,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 13:29:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:19,272 INFO L225 Difference]: With dead ends: 1029 [2024-11-19 13:29:19,272 INFO L226 Difference]: Without dead ends: 653 [2024-11-19 13:29:19,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:19,273 INFO L432 NwaCegarLoop]: 733 mSDtfsCounter, 316 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:19,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 1234 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:19,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-19 13:29:19,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 631. [2024-11-19 13:29:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 613 states have (on average 1.4241435562805873) internal successors, (873), 625 states have internal predecessors, (873), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 889 transitions. [2024-11-19 13:29:19,283 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 889 transitions. Word has length 81 [2024-11-19 13:29:19,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:19,284 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 889 transitions. [2024-11-19 13:29:19,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 889 transitions. [2024-11-19 13:29:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:29:19,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:19,285 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:19,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:29:19,285 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:19,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:19,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1560347521, now seen corresponding path program 1 times [2024-11-19 13:29:19,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:19,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229594169] [2024-11-19 13:29:19,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:19,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:19,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:19,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229594169] [2024-11-19 13:29:19,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229594169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:19,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:19,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:19,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010582515] [2024-11-19 13:29:19,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:19,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:29:19,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:19,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:29:19,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:19,395 INFO L87 Difference]: Start difference. First operand 631 states and 889 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:19,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:19,428 INFO L93 Difference]: Finished difference Result 1226 states and 1738 transitions. [2024-11-19 13:29:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:29:19,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 96 [2024-11-19 13:29:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:19,430 INFO L225 Difference]: With dead ends: 1226 [2024-11-19 13:29:19,430 INFO L226 Difference]: Without dead ends: 631 [2024-11-19 13:29:19,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:19,432 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 1 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:19,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1006 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:19,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-19 13:29:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 631. [2024-11-19 13:29:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 613 states have (on average 1.4143556280587275) internal successors, (867), 625 states have internal predecessors, (867), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 883 transitions. [2024-11-19 13:29:19,442 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 883 transitions. Word has length 96 [2024-11-19 13:29:19,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:19,442 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 883 transitions. [2024-11-19 13:29:19,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 883 transitions. [2024-11-19 13:29:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:29:19,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:19,443 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:19,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:29:19,444 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:19,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:19,444 INFO L85 PathProgramCache]: Analyzing trace with hash 543228923, now seen corresponding path program 1 times [2024-11-19 13:29:19,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:19,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357611510] [2024-11-19 13:29:19,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:19,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:19,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357611510] [2024-11-19 13:29:19,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357611510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:19,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:19,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:19,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718822739] [2024-11-19 13:29:19,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:19,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:19,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:19,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:19,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:29:19,716 INFO L87 Difference]: Start difference. First operand 631 states and 883 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:19,804 INFO L93 Difference]: Finished difference Result 936 states and 1316 transitions. [2024-11-19 13:29:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:19,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 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 96 [2024-11-19 13:29:19,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:19,809 INFO L225 Difference]: With dead ends: 936 [2024-11-19 13:29:19,809 INFO L226 Difference]: Without dead ends: 934 [2024-11-19 13:29:19,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:19,810 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 403 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:19,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 1491 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:19,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-11-19 13:29:19,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 695. [2024-11-19 13:29:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.4020771513353116) internal successors, (945), 686 states have internal predecessors, (945), 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) [2024-11-19 13:29:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 967 transitions. [2024-11-19 13:29:19,824 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 967 transitions. Word has length 96 [2024-11-19 13:29:19,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:19,824 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 967 transitions. [2024-11-19 13:29:19,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 967 transitions. [2024-11-19 13:29:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 13:29:19,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:19,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:19,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:29:19,829 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:19,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:19,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1882511398, now seen corresponding path program 1 times [2024-11-19 13:29:19,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:19,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978381214] [2024-11-19 13:29:19,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:19,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:29:20,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:20,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978381214] [2024-11-19 13:29:20,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978381214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:20,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974824711] [2024-11-19 13:29:20,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:20,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:20,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:20,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:20,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:29:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:20,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 13:29:20,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:20,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:20,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:20,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:29:21,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 13:29:21,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-19 13:29:21,201 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:21,201 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:21,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974824711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:21,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:21,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:29:21,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702283184] [2024-11-19 13:29:21,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:21,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:29:21,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:21,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:29:21,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:29:21,206 INFO L87 Difference]: Start difference. First operand 695 states and 967 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:22,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:22,319 INFO L93 Difference]: Finished difference Result 1585 states and 2233 transitions. [2024-11-19 13:29:22,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:29:22,320 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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 102 [2024-11-19 13:29:22,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:22,322 INFO L225 Difference]: With dead ends: 1585 [2024-11-19 13:29:22,323 INFO L226 Difference]: Without dead ends: 936 [2024-11-19 13:29:22,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:29:22,324 INFO L432 NwaCegarLoop]: 489 mSDtfsCounter, 608 mSDsluCounter, 2917 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 3406 SdHoareTripleChecker+Invalid, 820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:22,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 3406 Invalid, 820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-19 13:29:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-19 13:29:22,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 695. [2024-11-19 13:29:22,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.400593471810089) internal successors, (944), 686 states have internal predecessors, (944), 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) [2024-11-19 13:29:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 966 transitions. [2024-11-19 13:29:22,336 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 966 transitions. Word has length 102 [2024-11-19 13:29:22,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:22,336 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 966 transitions. [2024-11-19 13:29:22,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 966 transitions. [2024-11-19 13:29:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 13:29:22,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:22,337 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:22,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:29:22,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-19 13:29:22,542 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:22,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash 882787763, now seen corresponding path program 1 times [2024-11-19 13:29:22,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:22,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465530147] [2024-11-19 13:29:22,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:22,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:29:22,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:22,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465530147] [2024-11-19 13:29:22,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465530147] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:22,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059646730] [2024-11-19 13:29:22,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:22,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:22,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:22,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:22,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:29:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:23,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-19 13:29:23,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:23,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:23,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:23,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:29:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:23,686 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:23,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059646730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:23,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:23,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-19 13:29:23,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255761994] [2024-11-19 13:29:23,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:23,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 13:29:23,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:23,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 13:29:23,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:29:23,688 INFO L87 Difference]: Start difference. First operand 695 states and 966 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:24,645 INFO L93 Difference]: Finished difference Result 1596 states and 2249 transitions. [2024-11-19 13:29:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:29:24,645 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2024-11-19 13:29:24,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:24,648 INFO L225 Difference]: With dead ends: 1596 [2024-11-19 13:29:24,648 INFO L226 Difference]: Without dead ends: 952 [2024-11-19 13:29:24,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-19 13:29:24,650 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 666 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 3326 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:24,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 3326 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-19 13:29:24,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-11-19 13:29:24,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 707. [2024-11-19 13:29:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 686 states have (on average 1.3994169096209912) internal successors, (960), 698 states have internal predecessors, (960), 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) [2024-11-19 13:29:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 982 transitions. [2024-11-19 13:29:24,664 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 982 transitions. Word has length 103 [2024-11-19 13:29:24,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:24,664 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 982 transitions. [2024-11-19 13:29:24,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 982 transitions. [2024-11-19 13:29:24,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 13:29:24,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:24,665 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:24,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 13:29:24,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:24,870 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:24,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1792432114, now seen corresponding path program 1 times [2024-11-19 13:29:24,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:24,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306375044] [2024-11-19 13:29:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:24,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:25,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:25,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306375044] [2024-11-19 13:29:25,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306375044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:25,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:25,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:29:25,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51490721] [2024-11-19 13:29:25,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:25,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:29:25,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:25,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:29:25,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:29:25,100 INFO L87 Difference]: Start difference. First operand 707 states and 982 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:25,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:25,325 INFO L93 Difference]: Finished difference Result 1364 states and 1910 transitions. [2024-11-19 13:29:25,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:29:25,325 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-19 13:29:25,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:25,327 INFO L225 Difference]: With dead ends: 1364 [2024-11-19 13:29:25,327 INFO L226 Difference]: Without dead ends: 717 [2024-11-19 13:29:25,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:29:25,328 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 14 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2674 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:25,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2674 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:29:25,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-19 13:29:25,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 715. [2024-11-19 13:29:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 694 states have (on average 1.3976945244956773) internal successors, (970), 706 states have internal predecessors, (970), 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) [2024-11-19 13:29:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 992 transitions. [2024-11-19 13:29:25,340 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 992 transitions. Word has length 104 [2024-11-19 13:29:25,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:25,340 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 992 transitions. [2024-11-19 13:29:25,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 992 transitions. [2024-11-19 13:29:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 13:29:25,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:25,341 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:25,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:29:25,342 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:25,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1025280917, now seen corresponding path program 1 times [2024-11-19 13:29:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:25,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260438513] [2024-11-19 13:29:25,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:25,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:25,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:25,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260438513] [2024-11-19 13:29:25,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260438513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:25,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:25,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:29:25,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833229557] [2024-11-19 13:29:25,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:25,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:29:25,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:25,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:29:25,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:29:25,690 INFO L87 Difference]: Start difference. First operand 715 states and 992 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:25,980 INFO L93 Difference]: Finished difference Result 1379 states and 1930 transitions. [2024-11-19 13:29:25,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:29:25,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-19 13:29:25,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:25,983 INFO L225 Difference]: With dead ends: 1379 [2024-11-19 13:29:25,983 INFO L226 Difference]: Without dead ends: 721 [2024-11-19 13:29:25,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:29:25,986 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 9 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1837 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:25,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1837 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:29:25,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-11-19 13:29:26,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2024-11-19 13:29:26,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 700 states have (on average 1.3942857142857144) internal successors, (976), 712 states have internal predecessors, (976), 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) [2024-11-19 13:29:26,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 998 transitions. [2024-11-19 13:29:26,004 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 998 transitions. Word has length 104 [2024-11-19 13:29:26,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:26,004 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 998 transitions. [2024-11-19 13:29:26,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 998 transitions. [2024-11-19 13:29:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:29:26,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:26,005 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:26,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:29:26,005 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:26,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:26,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1096518439, now seen corresponding path program 1 times [2024-11-19 13:29:26,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:26,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297293773] [2024-11-19 13:29:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:26,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:29:26,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:26,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297293773] [2024-11-19 13:29:26,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297293773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:26,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023345891] [2024-11-19 13:29:26,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:26,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:26,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:26,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:26,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:29:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:26,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:29:26,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:26,630 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:26,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023345891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:26,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:29:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919137218] [2024-11-19 13:29:26,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:26,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:29:26,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:26,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:29:26,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:29:26,631 INFO L87 Difference]: Start difference. First operand 721 states and 998 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:26,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:26,985 INFO L93 Difference]: Finished difference Result 1393 states and 1945 transitions. [2024-11-19 13:29:26,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:29:26,986 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-19 13:29:26,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:26,988 INFO L225 Difference]: With dead ends: 1393 [2024-11-19 13:29:26,988 INFO L226 Difference]: Without dead ends: 725 [2024-11-19 13:29:26,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:29:26,989 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 43 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:26,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2702 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:29:26,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-19 13:29:26,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 713. [2024-11-19 13:29:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 692 states have (on average 1.3901734104046244) internal successors, (962), 704 states have internal predecessors, (962), 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) [2024-11-19 13:29:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 984 transitions. [2024-11-19 13:29:27,001 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 984 transitions. Word has length 105 [2024-11-19 13:29:27,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:27,002 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 984 transitions. [2024-11-19 13:29:27,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 984 transitions. [2024-11-19 13:29:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:29:27,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:27,003 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:27,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 13:29:27,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:27,203 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:27,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:27,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2097833392, now seen corresponding path program 1 times [2024-11-19 13:29:27,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:27,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030252632] [2024-11-19 13:29:27,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:27,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:29:27,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:27,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030252632] [2024-11-19 13:29:27,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030252632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:27,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206047982] [2024-11-19 13:29:27,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:27,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:27,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:27,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:27,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:29:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:27,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 13:29:27,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:41,803 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:41,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206047982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:41,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:41,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:29:41,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474658804] [2024-11-19 13:29:41,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:41,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:29:41,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:41,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:29:41,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:29:41,804 INFO L87 Difference]: Start difference. First operand 713 states and 984 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:43,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:47,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:51,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:55,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:59,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:30:01,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:30:05,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:30:09,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:30:10,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:30:10,093 INFO L93 Difference]: Finished difference Result 1371 states and 1910 transitions. [2024-11-19 13:30:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:30:10,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-19 13:30:10,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:30:10,096 INFO L225 Difference]: With dead ends: 1371 [2024-11-19 13:30:10,096 INFO L226 Difference]: Without dead ends: 723 [2024-11-19 13:30:10,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:30:10,097 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 12 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:30:10,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2681 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 423 Invalid, 5 Unknown, 0 Unchecked, 28.3s Time] [2024-11-19 13:30:10,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-19 13:30:10,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 713. [2024-11-19 13:30:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 692 states have (on average 1.3901734104046244) internal successors, (962), 704 states have internal predecessors, (962), 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) [2024-11-19 13:30:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 984 transitions. [2024-11-19 13:30:10,108 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 984 transitions. Word has length 105 [2024-11-19 13:30:10,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:30:10,108 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 984 transitions. [2024-11-19 13:30:10,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:30:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 984 transitions. [2024-11-19 13:30:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 13:30:10,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:30:10,109 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:30:10,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 13:30:10,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-19 13:30:10,310 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:30:10,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:30:10,311 INFO L85 PathProgramCache]: Analyzing trace with hash 530370848, now seen corresponding path program 1 times [2024-11-19 13:30:10,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:30:10,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822805732] [2024-11-19 13:30:10,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:30:10,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:30:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:30:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:30:10,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:30:10,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822805732] [2024-11-19 13:30:10,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822805732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:30:10,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:30:10,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:30:10,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049638442] [2024-11-19 13:30:10,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:30:10,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:30:10,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:30:10,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:30:10,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:30:10,678 INFO L87 Difference]: Start difference. First operand 713 states and 984 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:30:11,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:30:11,159 INFO L93 Difference]: Finished difference Result 1393 states and 1939 transitions. [2024-11-19 13:30:11,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:30:11,160 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-19 13:30:11,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:30:11,162 INFO L225 Difference]: With dead ends: 1393 [2024-11-19 13:30:11,162 INFO L226 Difference]: Without dead ends: 745 [2024-11-19 13:30:11,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 13:30:11,164 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 23 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 4049 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:30:11,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 4049 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:30:11,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-19 13:30:11,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2024-11-19 13:30:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 712 states have (on average 1.3848314606741574) internal successors, (986), 724 states have internal predecessors, (986), 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) [2024-11-19 13:30:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1008 transitions. [2024-11-19 13:30:11,177 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1008 transitions. Word has length 107 [2024-11-19 13:30:11,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:30:11,177 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1008 transitions. [2024-11-19 13:30:11,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:30:11,177 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1008 transitions. [2024-11-19 13:30:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 13:30:11,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:30:11,178 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:30:11,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:30:11,179 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:30:11,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:30:11,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1806623748, now seen corresponding path program 1 times [2024-11-19 13:30:11,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:30:11,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724053436] [2024-11-19 13:30:11,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:30:11,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:30:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:30:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:30:11,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:30:11,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724053436] [2024-11-19 13:30:11,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724053436] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:30:11,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941598345] [2024-11-19 13:30:11,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:30:11,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:30:11,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:30:11,416 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:30:11,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 13:30:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:30:11,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 13:30:11,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:30:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:30:11,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:30:11,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941598345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:30:11,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:30:11,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-19 13:30:11,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659338551] [2024-11-19 13:30:11,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:30:11,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:30:11,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:30:11,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:30:11,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:30:11,921 INFO L87 Difference]: Start difference. First operand 733 states and 1008 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:30:11,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:30:11,945 INFO L93 Difference]: Finished difference Result 1354 states and 1880 transitions. [2024-11-19 13:30:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:30:11,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-19 13:30:11,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:30:11,949 INFO L225 Difference]: With dead ends: 1354 [2024-11-19 13:30:11,951 INFO L226 Difference]: Without dead ends: 736 [2024-11-19 13:30:11,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:30:11,952 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 0 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:30:11,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1544 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:30:11,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-19 13:30:11,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2024-11-19 13:30:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 714 states have (on average 1.3851540616246498) internal successors, (989), 727 states have internal predecessors, (989), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-19 13:30:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1013 transitions. [2024-11-19 13:30:11,969 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1013 transitions. Word has length 107 [2024-11-19 13:30:11,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:30:11,969 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1013 transitions. [2024-11-19 13:30:11,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:30:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1013 transitions. [2024-11-19 13:30:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-19 13:30:11,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:30:11,970 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:30:11,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 13:30:12,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 13:30:12,172 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:30:12,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:30:12,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1971311742, now seen corresponding path program 1 times [2024-11-19 13:30:12,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:30:12,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774754455] [2024-11-19 13:30:12,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:30:12,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:30:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:30:12,564 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:30:12,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:30:12,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774754455] [2024-11-19 13:30:12,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774754455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:30:12,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093640965] [2024-11-19 13:30:12,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:30:12,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:30:12,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:30:12,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:30:12,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 13:30:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:30:13,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-19 13:30:13,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:30:13,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 13:30:13,178 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 19 treesize of output 1 [2024-11-19 13:30:13,192 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-19 13:30:13,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-19 13:30:13,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-19 13:30:13,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-19 13:30:13,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-19 13:30:13,353 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-19 13:30:13,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-19 13:30:13,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13