./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.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_test2-1.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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:28:32,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:28:32,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:28:32,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:28:32,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:28:32,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:28:32,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:28:32,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:28:32,851 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:28:32,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:28:32,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:28:32,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:28:32,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:28:32,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:28:32,852 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:28:32,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:28:32,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:28:32,853 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:28:32,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:28:32,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:28:32,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:28:32,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:28:32,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:28:32,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:28:32,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:28:32,856 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:28:32,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:28:32,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:28:32,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:28:32,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:28:32,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:28:32,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:28:32,858 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:28:32,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:28:32,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:28:32,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:28:32,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:28:32,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:28:32,859 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:28:32,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:28:32,860 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:28:32,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:28:32,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:28:32,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:28:32,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2024-11-19 13:28:33,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:28:33,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:28:33,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:28:33,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:28:33,062 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:28:33,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2024-11-19 13:28:34,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:28:34,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:28:34,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2024-11-19 13:28:34,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1f651df/b8583f4f211e49dd8f5a6558a62421aa/FLAG4ba2dff9a [2024-11-19 13:28:34,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d1f651df/b8583f4f211e49dd8f5a6558a62421aa [2024-11-19 13:28:34,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:28:34,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:28:34,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:28:34,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:28:34,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:28:34,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:28:34" (1/1) ... [2024-11-19 13:28:34,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5912fdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:34, skipping insertion in model container [2024-11-19 13:28:34,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:28:34" (1/1) ... [2024-11-19 13:28:34,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:28:35,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:28:35,128 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:28:35,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:28:35,235 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:28:35,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35 WrapperNode [2024-11-19 13:28:35,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:28:35,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:28:35,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:28:35,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:28:35,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,326 INFO L138 Inliner]: procedures = 208, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1310 [2024-11-19 13:28:35,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:28:35,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:28:35,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:28:35,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:28:35,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,354 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,389 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 172, 34]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 42, 4]. [2024-11-19 13:28:35,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,426 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:28:35,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:28:35,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:28:35,435 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:28:35,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (1/1) ... [2024-11-19 13:28:35,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:28:35,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:28:35,474 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 13:28:35,485 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 13:28:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 13:28:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 13:28:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:28:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:28:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:28:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:28:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:28:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:28:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:28:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:28:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:28:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:28:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:28:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:28:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:28:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:28:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:28:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:28:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:28:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:28:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:28:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:28:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:28:35,674 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:28:35,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:28:36,796 INFO L? ?]: Removed 313 outVars from TransFormulas that were not future-live. [2024-11-19 13:28:36,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:28:36,815 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:28:36,816 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-19 13:28:36,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:28:36 BoogieIcfgContainer [2024-11-19 13:28:36,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:28:36,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:28:36,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:28:36,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:28:36,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:28:34" (1/3) ... [2024-11-19 13:28:36,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b4b12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:28:36, skipping insertion in model container [2024-11-19 13:28:36,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:28:35" (2/3) ... [2024-11-19 13:28:36,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b4b12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:28:36, skipping insertion in model container [2024-11-19 13:28:36,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:28:36" (3/3) ... [2024-11-19 13:28:36,824 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-1.i [2024-11-19 13:28:36,836 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:28:36,837 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 13:28:36,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:28:36,895 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;@7c634e83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:28:36,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:28:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 398 states, 376 states have (on average 1.627659574468085) internal successors, (612), 391 states have internal predecessors, (612), 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 13:28:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:28:36,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:36,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:28:36,905 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 13:28:36,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:36,909 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-19 13:28:36,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:36,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918471568] [2024-11-19 13:28:36,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:36,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:37,034 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 13:28:37,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:37,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918471568] [2024-11-19 13:28:37,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918471568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:37,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:37,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:28:37,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850585857] [2024-11-19 13:28:37,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:37,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:28:37,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:37,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:28:37,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:28:37,060 INFO L87 Difference]: Start difference. First operand has 398 states, 376 states have (on average 1.627659574468085) internal successors, (612), 391 states have internal predecessors, (612), 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 13:28:37,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:37,111 INFO L93 Difference]: Finished difference Result 792 states and 1266 transitions. [2024-11-19 13:28:37,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:28:37,121 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 13:28:37,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:37,136 INFO L225 Difference]: With dead ends: 792 [2024-11-19 13:28:37,137 INFO L226 Difference]: Without dead ends: 389 [2024-11-19 13:28:37,144 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 13:28:37,146 INFO L432 NwaCegarLoop]: 569 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, 569 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 13:28:37,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:28:37,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-19 13:28:37,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2024-11-19 13:28:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 371 states have (on average 1.4690026954177897) internal successors, (545), 383 states have internal predecessors, (545), 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 13:28:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 561 transitions. [2024-11-19 13:28:37,219 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 561 transitions. Word has length 7 [2024-11-19 13:28:37,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:37,219 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 561 transitions. [2024-11-19 13:28:37,219 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 13:28:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 561 transitions. [2024-11-19 13:28:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:28:37,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:37,220 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:28:37,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:28:37,220 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 13:28:37,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:37,221 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-19 13:28:37,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:37,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326471105] [2024-11-19 13:28:37,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:37,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:28:37,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970279601] [2024-11-19 13:28:37,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:37,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:28:37,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:28:37,280 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 13:28:37,286 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 13:28:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:37,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:28:37,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:28:37,451 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 13:28:37,480 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 13:28:37,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:28:37,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:37,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326471105] [2024-11-19 13:28:37,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:28:37,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970279601] [2024-11-19 13:28:37,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970279601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:37,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:37,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:28:37,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164662783] [2024-11-19 13:28:37,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:37,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:28:37,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:37,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:28:37,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:28:37,484 INFO L87 Difference]: Start difference. First operand 389 states and 561 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 13:28:37,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:37,654 INFO L93 Difference]: Finished difference Result 768 states and 1113 transitions. [2024-11-19 13:28:37,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:28:37,655 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 13:28:37,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:37,659 INFO L225 Difference]: With dead ends: 768 [2024-11-19 13:28:37,659 INFO L226 Difference]: Without dead ends: 767 [2024-11-19 13:28:37,659 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 13:28:37,660 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 530 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1605 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:37,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1605 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:28:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-11-19 13:28:37,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 394. [2024-11-19 13:28:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 376 states have (on average 1.4654255319148937) internal successors, (551), 388 states have internal predecessors, (551), 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 13:28:37,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 567 transitions. [2024-11-19 13:28:37,687 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 567 transitions. Word has length 7 [2024-11-19 13:28:37,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:37,687 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 567 transitions. [2024-11-19 13:28:37,687 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 13:28:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 567 transitions. [2024-11-19 13:28:37,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 13:28:37,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:37,688 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:28:37,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:28:37,888 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 13:28:37,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:28:37,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:37,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1002424139, now seen corresponding path program 1 times [2024-11-19 13:28:37,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:37,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278230266] [2024-11-19 13:28:37,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:37,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:28:37,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1305549426] [2024-11-19 13:28:37,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:37,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:28:37,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:28:37,928 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 13:28:37,930 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 13:28:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:38,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:28:38,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:28:38,027 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 13:28:38,040 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 13:28:38,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:28:38,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:38,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278230266] [2024-11-19 13:28:38,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:28:38,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305549426] [2024-11-19 13:28:38,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305549426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:38,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:38,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:28:38,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514163422] [2024-11-19 13:28:38,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:38,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:28:38,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:38,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:28:38,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:28:38,042 INFO L87 Difference]: Start difference. First operand 394 states and 567 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:28:38,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:38,129 INFO L93 Difference]: Finished difference Result 767 states and 1112 transitions. [2024-11-19 13:28:38,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:28:38,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 13:28:38,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:38,132 INFO L225 Difference]: With dead ends: 767 [2024-11-19 13:28:38,132 INFO L226 Difference]: Without dead ends: 766 [2024-11-19 13:28:38,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:28:38,133 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 528 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:38,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1690 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:28:38,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-11-19 13:28:38,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 395. [2024-11-19 13:28:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 377 states have (on average 1.4641909814323608) internal successors, (552), 389 states have internal predecessors, (552), 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 13:28:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 568 transitions. [2024-11-19 13:28:38,142 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 568 transitions. Word has length 8 [2024-11-19 13:28:38,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:38,143 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 568 transitions. [2024-11-19 13:28:38,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:28:38,143 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 568 transitions. [2024-11-19 13:28:38,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-19 13:28:38,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:38,145 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] [2024-11-19 13:28:38,158 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 13:28:38,345 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,SelfDestructingSolverStorable2 [2024-11-19 13:28:38,346 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:28:38,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:38,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1584338109, now seen corresponding path program 1 times [2024-11-19 13:28:38,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:38,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123975747] [2024-11-19 13:28:38,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:38,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:38,658 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 13:28:38,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:38,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123975747] [2024-11-19 13:28:38,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123975747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:38,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:38,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:28:38,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015467025] [2024-11-19 13:28:38,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:38,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:28:38,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:38,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:28:38,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:28:38,662 INFO L87 Difference]: Start difference. First operand 395 states and 568 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 13:28:38,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:38,755 INFO L93 Difference]: Finished difference Result 945 states and 1374 transitions. [2024-11-19 13:28:38,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:28:38,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-11-19 13:28:38,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:38,762 INFO L225 Difference]: With dead ends: 945 [2024-11-19 13:28:38,763 INFO L226 Difference]: Without dead ends: 765 [2024-11-19 13:28:38,763 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 13:28:38,764 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 530 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 1613 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 13:28:38,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 1613 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:28:38,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-19 13:28:38,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 395. [2024-11-19 13:28:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 377 states have (on average 1.4615384615384615) internal successors, (551), 389 states have internal predecessors, (551), 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 13:28:38,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 567 transitions. [2024-11-19 13:28:38,776 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 567 transitions. Word has length 64 [2024-11-19 13:28:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:38,776 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 567 transitions. [2024-11-19 13:28:38,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 13:28:38,777 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 567 transitions. [2024-11-19 13:28:38,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:28:38,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:38,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:28:38,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:28:38,779 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 13:28:38,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:38,779 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-19 13:28:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:38,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729846858] [2024-11-19 13:28:38,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:38,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:38,958 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 13:28:38,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:38,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729846858] [2024-11-19 13:28:38,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729846858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:38,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:38,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:28:38,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952881880] [2024-11-19 13:28:38,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:38,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:28:38,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:38,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:28:38,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:28:38,960 INFO L87 Difference]: Start difference. First operand 395 states and 567 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:28:39,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:39,016 INFO L93 Difference]: Finished difference Result 739 states and 1058 transitions. [2024-11-19 13:28:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:28:39,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 13:28:39,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:39,018 INFO L225 Difference]: With dead ends: 739 [2024-11-19 13:28:39,018 INFO L226 Difference]: Without dead ends: 352 [2024-11-19 13:28:39,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:28:39,019 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 26 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 909 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:39,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 909 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:28:39,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-19 13:28:39,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 351. [2024-11-19 13:28:39,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 333 states have (on average 1.4174174174174174) internal successors, (472), 345 states have internal predecessors, (472), 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 13:28:39,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 488 transitions. [2024-11-19 13:28:39,032 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 488 transitions. Word has length 81 [2024-11-19 13:28:39,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:39,032 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 488 transitions. [2024-11-19 13:28:39,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:28:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 488 transitions. [2024-11-19 13:28:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:28:39,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:39,034 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 13:28:39,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:28:39,034 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 13:28:39,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:39,035 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-19 13:28:39,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:39,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101335733] [2024-11-19 13:28:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:39,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:39,145 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 13:28:39,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:39,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101335733] [2024-11-19 13:28:39,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101335733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:39,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:39,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:28:39,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880820386] [2024-11-19 13:28:39,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:39,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:28:39,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:39,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:28:39,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:28:39,147 INFO L87 Difference]: Start difference. First operand 351 states and 488 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 13:28:39,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:39,185 INFO L93 Difference]: Finished difference Result 931 states and 1314 transitions. [2024-11-19 13:28:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:28:39,185 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 13:28:39,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:39,187 INFO L225 Difference]: With dead ends: 931 [2024-11-19 13:28:39,187 INFO L226 Difference]: Without dead ends: 588 [2024-11-19 13:28:39,188 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 13:28:39,189 INFO L432 NwaCegarLoop]: 673 mSDtfsCounter, 277 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:39,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1137 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:28:39,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-19 13:28:39,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 584. [2024-11-19 13:28:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 561 states have (on average 1.4367201426024956) internal successors, (806), 578 states have internal predecessors, (806), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 13:28:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 832 transitions. [2024-11-19 13:28:39,199 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 832 transitions. Word has length 81 [2024-11-19 13:28:39,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:39,199 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 832 transitions. [2024-11-19 13:28:39,199 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 13:28:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 832 transitions. [2024-11-19 13:28:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:28:39,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:39,204 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 13:28:39,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:28:39,204 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 13:28:39,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:39,205 INFO L85 PathProgramCache]: Analyzing trace with hash -225234307, now seen corresponding path program 1 times [2024-11-19 13:28:39,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:39,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966024298] [2024-11-19 13:28:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:39,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:39,381 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 13:28:39,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:39,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966024298] [2024-11-19 13:28:39,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966024298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:39,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:39,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:28:39,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708811030] [2024-11-19 13:28:39,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:39,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:28:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:39,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:28:39,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:28:39,384 INFO L87 Difference]: Start difference. First operand 584 states and 832 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 13:28:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:39,424 INFO L93 Difference]: Finished difference Result 1138 states and 1633 transitions. [2024-11-19 13:28:39,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:28:39,425 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 13:28:39,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:39,427 INFO L225 Difference]: With dead ends: 1138 [2024-11-19 13:28:39,427 INFO L226 Difference]: Without dead ends: 588 [2024-11-19 13:28:39,427 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 13:28:39,428 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 1 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 922 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 13:28:39,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 922 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:28:39,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-19 13:28:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2024-11-19 13:28:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 565 states have (on average 1.4265486725663716) internal successors, (806), 582 states have internal predecessors, (806), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-19 13:28:39,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 832 transitions. [2024-11-19 13:28:39,439 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 832 transitions. Word has length 96 [2024-11-19 13:28:39,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:39,439 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 832 transitions. [2024-11-19 13:28:39,439 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 13:28:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 832 transitions. [2024-11-19 13:28:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:28:39,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:39,440 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 13:28:39,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:28:39,440 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:28:39,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:39,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1460945531, now seen corresponding path program 1 times [2024-11-19 13:28:39,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:39,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308885547] [2024-11-19 13:28:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:39,710 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 13:28:39,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:39,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308885547] [2024-11-19 13:28:39,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308885547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:39,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:39,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:28:39,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134265165] [2024-11-19 13:28:39,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:39,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:28:39,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:39,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:28:39,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:28:39,712 INFO L87 Difference]: Start difference. First operand 588 states and 832 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 13:28:39,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:39,806 INFO L93 Difference]: Finished difference Result 850 states and 1213 transitions. [2024-11-19 13:28:39,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:28:39,806 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 13:28:39,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:39,809 INFO L225 Difference]: With dead ends: 850 [2024-11-19 13:28:39,809 INFO L226 Difference]: Without dead ends: 848 [2024-11-19 13:28:39,810 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 13:28:39,810 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 361 mSDsluCounter, 947 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 1449 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 13:28:39,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 1449 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:28:39,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-19 13:28:39,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 652. [2024-11-19 13:28:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 626 states have (on average 1.4121405750798721) internal successors, (884), 643 states have internal predecessors, (884), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:28:39,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 916 transitions. [2024-11-19 13:28:39,830 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 916 transitions. Word has length 96 [2024-11-19 13:28:39,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:39,831 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 916 transitions. [2024-11-19 13:28:39,831 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 13:28:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 916 transitions. [2024-11-19 13:28:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 13:28:39,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:39,832 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 13:28:39,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 13:28:39,832 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 13:28:39,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:39,833 INFO L85 PathProgramCache]: Analyzing trace with hash -373979558, now seen corresponding path program 1 times [2024-11-19 13:28:39,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:39,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652244890] [2024-11-19 13:28:39,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:39,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:40,091 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 13:28:40,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652244890] [2024-11-19 13:28:40,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652244890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:28:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122489856] [2024-11-19 13:28:40,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:40,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:28:40,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:28:40,094 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 13:28:40,097 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 13:28:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:40,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-19 13:28:40,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:28:40,345 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 13:28:40,360 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 13:28:40,373 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 13:28:40,988 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 13:28:40,988 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:28:40,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122489856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:40,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:28:40,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:28:40,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437241255] [2024-11-19 13:28:40,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:40,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:28:40,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:40,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:28:40,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:28:40,990 INFO L87 Difference]: Start difference. First operand 652 states and 916 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 13:28:42,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:42,332 INFO L93 Difference]: Finished difference Result 1456 states and 2078 transitions. [2024-11-19 13:28:42,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:28:42,333 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 13:28:42,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:42,336 INFO L225 Difference]: With dead ends: 1456 [2024-11-19 13:28:42,337 INFO L226 Difference]: Without dead ends: 850 [2024-11-19 13:28:42,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:28:42,340 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 555 mSDsluCounter, 2974 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 3422 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:42,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 3422 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 13:28:42,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-19 13:28:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 652. [2024-11-19 13:28:42,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 626 states have (on average 1.4105431309904153) internal successors, (883), 643 states have internal predecessors, (883), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:28:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 915 transitions. [2024-11-19 13:28:42,356 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 915 transitions. Word has length 102 [2024-11-19 13:28:42,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:42,356 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 915 transitions. [2024-11-19 13:28:42,356 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 13:28:42,356 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 915 transitions. [2024-11-19 13:28:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 13:28:42,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:42,357 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 13:28:42,378 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 13:28:42,558 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 13:28:42,558 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 13:28:42,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:42,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1903647693, now seen corresponding path program 1 times [2024-11-19 13:28:42,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:42,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998713113] [2024-11-19 13:28:42,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:42,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:42,939 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 13:28:42,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:42,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998713113] [2024-11-19 13:28:42,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998713113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:28:42,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026212520] [2024-11-19 13:28:42,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:42,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:28:42,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:28:42,941 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 13:28:42,942 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 13:28:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:43,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-19 13:28:43,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:28:43,196 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 13:28:43,211 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 13:28:43,220 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 13:28:43,844 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 13:28:43,846 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:28:43,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026212520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:43,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:28:43,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-19 13:28:43,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479255676] [2024-11-19 13:28:43,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:43,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 13:28:43,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:43,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 13:28:43,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:28:43,848 INFO L87 Difference]: Start difference. First operand 652 states and 915 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 13:28:45,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:45,154 INFO L93 Difference]: Finished difference Result 1467 states and 2094 transitions. [2024-11-19 13:28:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:28:45,155 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 13:28:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:45,158 INFO L225 Difference]: With dead ends: 1467 [2024-11-19 13:28:45,158 INFO L226 Difference]: Without dead ends: 866 [2024-11-19 13:28:45,159 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 13:28:45,163 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 615 mSDsluCounter, 3380 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 3821 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:45,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 3821 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 13:28:45,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2024-11-19 13:28:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 664. [2024-11-19 13:28:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 638 states have (on average 1.4090909090909092) internal successors, (899), 655 states have internal predecessors, (899), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:28:45,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 931 transitions. [2024-11-19 13:28:45,197 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 931 transitions. Word has length 103 [2024-11-19 13:28:45,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:45,197 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 931 transitions. [2024-11-19 13:28:45,197 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 13:28:45,197 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 931 transitions. [2024-11-19 13:28:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 13:28:45,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:45,198 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 13:28:45,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 13:28:45,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:28:45,407 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 13:28:45,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:45,407 INFO L85 PathProgramCache]: Analyzing trace with hash -283900274, now seen corresponding path program 1 times [2024-11-19 13:28:45,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:45,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754516332] [2024-11-19 13:28:45,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:45,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:45,622 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 13:28:45,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:45,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754516332] [2024-11-19 13:28:45,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754516332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:45,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:45,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:28:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236481227] [2024-11-19 13:28:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:45,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:28:45,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:45,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:28:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:28:45,624 INFO L87 Difference]: Start difference. First operand 664 states and 931 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 13:28:45,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:45,851 INFO L93 Difference]: Finished difference Result 1278 states and 1807 transitions. [2024-11-19 13:28:45,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:28:45,852 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 13:28:45,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:45,854 INFO L225 Difference]: With dead ends: 1278 [2024-11-19 13:28:45,854 INFO L226 Difference]: Without dead ends: 674 [2024-11-19 13:28:45,855 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 13:28:45,855 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 14 mSDsluCounter, 1965 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2422 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 13:28:45,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2422 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:28:45,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-11-19 13:28:45,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 672. [2024-11-19 13:28:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 646 states have (on average 1.4071207430340558) internal successors, (909), 663 states have internal predecessors, (909), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:28:45,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 941 transitions. [2024-11-19 13:28:45,868 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 941 transitions. Word has length 104 [2024-11-19 13:28:45,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:45,868 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 941 transitions. [2024-11-19 13:28:45,868 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 13:28:45,868 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 941 transitions. [2024-11-19 13:28:45,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-19 13:28:45,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:45,869 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 13:28:45,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 13:28:45,869 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 13:28:45,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:45,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1761154539, now seen corresponding path program 1 times [2024-11-19 13:28:45,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:45,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240557437] [2024-11-19 13:28:45,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:45,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:46,074 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 13:28:46,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:46,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240557437] [2024-11-19 13:28:46,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240557437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:46,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:28:46,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:28:46,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930847185] [2024-11-19 13:28:46,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:46,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:28:46,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:46,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:28:46,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:28:46,077 INFO L87 Difference]: Start difference. First operand 672 states and 941 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 13:28:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:46,237 INFO L93 Difference]: Finished difference Result 1293 states and 1827 transitions. [2024-11-19 13:28:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:28:46,238 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 13:28:46,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:46,240 INFO L225 Difference]: With dead ends: 1293 [2024-11-19 13:28:46,240 INFO L226 Difference]: Without dead ends: 678 [2024-11-19 13:28:46,241 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 13:28:46,241 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 9 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1669 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:46,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1669 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:28:46,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2024-11-19 13:28:46,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 678. [2024-11-19 13:28:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 652 states have (on average 1.4033742331288344) internal successors, (915), 669 states have internal predecessors, (915), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:28:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 947 transitions. [2024-11-19 13:28:46,253 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 947 transitions. Word has length 104 [2024-11-19 13:28:46,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:46,254 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 947 transitions. [2024-11-19 13:28:46,254 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 13:28:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 947 transitions. [2024-11-19 13:28:46,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:28:46,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:46,255 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 13:28:46,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:28:46,255 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 13:28:46,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:46,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1689917017, now seen corresponding path program 1 times [2024-11-19 13:28:46,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:46,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611891670] [2024-11-19 13:28:46,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:46,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:46,490 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 13:28:46,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:46,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611891670] [2024-11-19 13:28:46,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611891670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:28:46,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184315800] [2024-11-19 13:28:46,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:46,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:28:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:28:46,494 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 13:28:46,495 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 13:28:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:46,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:28:46,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:28:46,880 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 13:28:46,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:28:46,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184315800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:46,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:28:46,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:28:46,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883053818] [2024-11-19 13:28:46,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:46,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:28:46,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:46,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:28:46,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:28:46,886 INFO L87 Difference]: Start difference. First operand 678 states and 947 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 13:28:47,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:28:47,152 INFO L93 Difference]: Finished difference Result 1307 states and 1842 transitions. [2024-11-19 13:28:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:28:47,153 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 13:28:47,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:28:47,155 INFO L225 Difference]: With dead ends: 1307 [2024-11-19 13:28:47,155 INFO L226 Difference]: Without dead ends: 682 [2024-11-19 13:28:47,156 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 13:28:47,156 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 43 mSDsluCounter, 1991 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:28:47,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2450 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:28:47,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-19 13:28:47,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 670. [2024-11-19 13:28:47,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 644 states have (on average 1.3990683229813665) internal successors, (901), 661 states have internal predecessors, (901), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:28:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 933 transitions. [2024-11-19 13:28:47,168 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 933 transitions. Word has length 105 [2024-11-19 13:28:47,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:28:47,169 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 933 transitions. [2024-11-19 13:28:47,169 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 13:28:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 933 transitions. [2024-11-19 13:28:47,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-19 13:28:47,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:28:47,170 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 13:28:47,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 13:28:47,373 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 13:28:47,374 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 13:28:47,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:28:47,374 INFO L85 PathProgramCache]: Analyzing trace with hash -589301552, now seen corresponding path program 1 times [2024-11-19 13:28:47,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:28:47,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952958854] [2024-11-19 13:28:47,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:47,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:28:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:47,601 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 13:28:47,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:28:47,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952958854] [2024-11-19 13:28:47,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952958854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:28:47,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362030746] [2024-11-19 13:28:47,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:28:47,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:28:47,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:28:47,604 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 13:28:47,605 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 13:28:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:28:47,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 13:28:47,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:28:56,646 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 13:28:56,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:28:56,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362030746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:28:56,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:28:56,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:28:56,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644358890] [2024-11-19 13:28:56,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:28:56,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:28:56,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:28:56,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:28:56,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:28:56,647 INFO L87 Difference]: Start difference. First operand 670 states and 933 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 13:29:00,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:04,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:05,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:09,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:29:14,742 WARN L539 Checker$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 13:29:18,750 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 13:29:19,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:19,141 INFO L93 Difference]: Finished difference Result 1287 states and 1809 transitions. [2024-11-19 13:29:19,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:29:19,142 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 13:29:19,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:19,144 INFO L225 Difference]: With dead ends: 1287 [2024-11-19 13:29:19,144 INFO L226 Difference]: Without dead ends: 682 [2024-11-19 13:29:19,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:29:19,145 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 12 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:19,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2429 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 430 Invalid, 4 Unknown, 0 Unchecked, 22.4s Time] [2024-11-19 13:29:19,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-19 13:29:19,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 674. [2024-11-19 13:29:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 648 states have (on average 1.396604938271605) internal successors, (905), 665 states have internal predecessors, (905), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:29:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 937 transitions. [2024-11-19 13:29:19,158 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 937 transitions. Word has length 105 [2024-11-19 13:29:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:19,158 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 937 transitions. [2024-11-19 13:29:19,158 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 13:29:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 937 transitions. [2024-11-19 13:29:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 13:29:19,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:19,159 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 13:29:19,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 13:29:19,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:19,367 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 13:29:19,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:19,368 INFO L85 PathProgramCache]: Analyzing trace with hash 2038902688, now seen corresponding path program 1 times [2024-11-19 13:29:19,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:19,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463829197] [2024-11-19 13:29:19,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:19,680 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 13:29:19,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:19,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463829197] [2024-11-19 13:29:19,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463829197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:19,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:19,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:29:19,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847039088] [2024-11-19 13:29:19,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:19,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:29:19,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:19,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:29:19,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:29:19,682 INFO L87 Difference]: Start difference. First operand 674 states and 937 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 13:29:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:20,170 INFO L93 Difference]: Finished difference Result 1313 states and 1842 transitions. [2024-11-19 13:29:20,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:29:20,171 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 13:29:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:20,173 INFO L225 Difference]: With dead ends: 1313 [2024-11-19 13:29:20,173 INFO L226 Difference]: Without dead ends: 706 [2024-11-19 13:29:20,174 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 13:29:20,175 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 23 mSDsluCounter, 2834 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:20,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3298 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:29:20,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-19 13:29:20,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 694. [2024-11-19 13:29:20,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 668 states have (on average 1.3907185628742516) internal successors, (929), 685 states have internal predecessors, (929), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:29:20,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 961 transitions. [2024-11-19 13:29:20,187 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 961 transitions. Word has length 107 [2024-11-19 13:29:20,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:20,187 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 961 transitions. [2024-11-19 13:29:20,188 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 13:29:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 961 transitions. [2024-11-19 13:29:20,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 13:29:20,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:20,188 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 13:29:20,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 13:29:20,188 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 13:29:20,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:20,189 INFO L85 PathProgramCache]: Analyzing trace with hash -979811708, now seen corresponding path program 1 times [2024-11-19 13:29:20,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:20,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618052593] [2024-11-19 13:29:20,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:20,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:20,398 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 13:29:20,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:20,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618052593] [2024-11-19 13:29:20,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618052593] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:20,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859910340] [2024-11-19 13:29:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:20,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:20,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:20,401 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 13:29:20,402 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 13:29:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:20,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 13:29:20,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [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 [1859910340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:21,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:21,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-19 13:29:21,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518215350] [2024-11-19 13:29:21,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:21,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 13:29:21,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:21,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 13:29:21,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:29:21,203 INFO L87 Difference]: Start difference. First operand 694 states and 961 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:23,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:23,063 INFO L93 Difference]: Finished difference Result 1319 states and 1845 transitions. [2024-11-19 13:29:23,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:29:23,064 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-19 13:29:23,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:23,066 INFO L225 Difference]: With dead ends: 1319 [2024-11-19 13:29:23,067 INFO L226 Difference]: Without dead ends: 700 [2024-11-19 13:29:23,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:29:23,068 INFO L432 NwaCegarLoop]: 462 mSDtfsCounter, 11 mSDsluCounter, 3959 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 4421 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:23,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 4421 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-19 13:29:23,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-19 13:29:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 696. [2024-11-19 13:29:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 670 states have (on average 1.3895522388059702) internal successors, (931), 687 states have internal predecessors, (931), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-19 13:29:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 963 transitions. [2024-11-19 13:29:23,110 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 963 transitions. Word has length 107 [2024-11-19 13:29:23,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:23,110 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 963 transitions. [2024-11-19 13:29:23,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 963 transitions. [2024-11-19 13:29:23,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-19 13:29:23,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:23,111 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 13:29:23,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-19 13:29:23,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:23,312 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:23,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:23,313 INFO L85 PathProgramCache]: Analyzing trace with hash 766420043, now seen corresponding path program 1 times [2024-11-19 13:29:23,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:23,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619450445] [2024-11-19 13:29:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:23,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:23,515 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 13:29:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619450445] [2024-11-19 13:29:23,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619450445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138037643] [2024-11-19 13:29:23,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:23,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:23,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:23,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:23,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 13:29:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:24,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:29:24,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:24,425 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:24,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:24,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138037643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:24,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:24,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-19 13:29:24,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534196195] [2024-11-19 13:29:24,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:24,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:24,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:24,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:24,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:24,427 INFO L87 Difference]: Start difference. First operand 696 states and 963 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:29:24,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:24,451 INFO L93 Difference]: Finished difference Result 1277 states and 1786 transitions. [2024-11-19 13:29:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:24,452 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 107 [2024-11-19 13:29:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:24,454 INFO L225 Difference]: With dead ends: 1277 [2024-11-19 13:29:24,454 INFO L226 Difference]: Without dead ends: 699 [2024-11-19 13:29:24,455 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 13:29:24,456 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 0 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1418 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 13:29:24,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1418 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:24,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2024-11-19 13:29:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2024-11-19 13:29:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 672 states have (on average 1.3898809523809523) internal successors, (934), 690 states have internal predecessors, (934), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-19 13:29:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 968 transitions. [2024-11-19 13:29:24,471 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 968 transitions. Word has length 107 [2024-11-19 13:29:24,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:24,471 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 968 transitions. [2024-11-19 13:29:24,472 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 13:29:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 968 transitions. [2024-11-19 13:29:24,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-19 13:29:24,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:24,473 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 13:29:24,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 13:29:24,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 13:29:24,674 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:24,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1674070537, now seen corresponding path program 1 times [2024-11-19 13:29:24,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:24,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463508995] [2024-11-19 13:29:24,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:24,930 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 13:29:24,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:24,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463508995] [2024-11-19 13:29:24,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463508995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:24,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289532059] [2024-11-19 13:29:24,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:24,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:24,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:24,932 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:24,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 13:29:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:25,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:29:25,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 13:29:25,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:25,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289532059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:25,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:25,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-19 13:29:25,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807542893] [2024-11-19 13:29:25,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:25,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:29:25,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:25,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:29:25,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:29:25,462 INFO L87 Difference]: Start difference. First operand 699 states and 968 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:25,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:25,839 INFO L93 Difference]: Finished difference Result 1330 states and 1862 transitions. [2024-11-19 13:29:25,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:29:25,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2024-11-19 13:29:25,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:25,842 INFO L225 Difference]: With dead ends: 1330 [2024-11-19 13:29:25,842 INFO L226 Difference]: Without dead ends: 709 [2024-11-19 13:29:25,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:29:25,843 INFO L432 NwaCegarLoop]: 463 mSDtfsCounter, 10 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:25,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2429 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:29:25,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2024-11-19 13:29:25,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 699. [2024-11-19 13:29:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 672 states have (on average 1.3898809523809523) internal successors, (934), 690 states have internal predecessors, (934), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-19 13:29:25,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 968 transitions. [2024-11-19 13:29:25,859 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 968 transitions. Word has length 109 [2024-11-19 13:29:25,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:25,859 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 968 transitions. [2024-11-19 13:29:25,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 968 transitions. [2024-11-19 13:29:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-19 13:29:25,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:25,860 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:25,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-19 13:29:26,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 13:29:26,065 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:26,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:26,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1626553508, now seen corresponding path program 1 times [2024-11-19 13:29:26,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:26,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904593627] [2024-11-19 13:29:26,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:26,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:26,375 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 13:29:26,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:26,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904593627] [2024-11-19 13:29:26,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904593627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:26,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985321979] [2024-11-19 13:29:26,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:26,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:26,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:26,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 13:29:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:26,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-19 13:29:26,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:26,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:26,815 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 13:29:26,834 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 13:29:26,854 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 13:29:27,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-19 13:29:27,103 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-19 13:29:27,104 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 13:29:27,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-19 13:29:27,114 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 13:29:27,161 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 13:29:27,165 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 13:29:27,282 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-19 13:29:27,283 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 13:29:27,291 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