./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:44:36,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:44:36,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:44:36,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:44:36,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:44:36,497 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:44:36,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:44:36,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:44:36,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:44:36,499 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:44:36,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:44:36,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:44:36,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:44:36,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:44:36,504 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:44:36,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:44:36,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:44:36,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:44:36,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:44:36,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:44:36,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:44:36,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:44:36,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:44:36,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:44:36,511 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:44:36,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:44:36,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:44:36,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:44:36,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:44:36,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:44:36,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:44:36,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:44:36,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:44:36,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:44:36,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:44:36,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:44:36,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:44:36,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:44:36,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:44:36,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:44:36,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:44:36,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:44:36,518 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:44:36,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:44:36,518 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb52e740550b0ec41396d39fc3beea75c2dcd7385105eaeaaabca1f449d4b319 [2024-10-11 23:44:36,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:44:36,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:44:36,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:44:36,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:44:36,798 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:44:36,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2024-10-11 23:44:38,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:44:38,696 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:44:38,698 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test9-2.i [2024-10-11 23:44:38,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7c4760554/dcd2851167b248529cf03e8a19f3442e/FLAG1d0f6fd8f [2024-10-11 23:44:38,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/7c4760554/dcd2851167b248529cf03e8a19f3442e [2024-10-11 23:44:38,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:44:38,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:44:38,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:44:38,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:44:38,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:44:38,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:44:38" (1/1) ... [2024-10-11 23:44:38,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696231c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:38, skipping insertion in model container [2024-10-11 23:44:38,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:44:38" (1/1) ... [2024-10-11 23:44:38,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:44:39,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:44:39,507 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:44:39,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:44:39,753 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:44:39,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39 WrapperNode [2024-10-11 23:44:39,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:44:39,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:44:39,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:44:39,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:44:39,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:39,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:39,918 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3456 [2024-10-11 23:44:39,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:44:39,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:44:39,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:44:39,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:44:39,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:39,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:39,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,050 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-10-11 23:44:40,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:44:40,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:44:40,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:44:40,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:44:40,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (1/1) ... [2024-10-11 23:44:40,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:44:40,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:44:40,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:44:40,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:44:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:44:40,285 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:44:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:44:40,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:44:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:44:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:44:40,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:44:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:44:40,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:44:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:44:40,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:44:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:44:40,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 23:44:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:44:40,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:44:40,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 23:44:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:44:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:44:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:44:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:44:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:44:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:44:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:44:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:44:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:44:40,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:44:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:44:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:44:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:44:40,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:44:40,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:44:40,591 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:44:40,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:44:43,399 INFO L? ?]: Removed 835 outVars from TransFormulas that were not future-live. [2024-10-11 23:44:43,399 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:44:43,466 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:44:43,469 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-11 23:44:43,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:44:43 BoogieIcfgContainer [2024-10-11 23:44:43,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:44:43,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:44:43,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:44:43,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:44:43,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:44:38" (1/3) ... [2024-10-11 23:44:43,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7786c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:44:43, skipping insertion in model container [2024-10-11 23:44:43,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:44:39" (2/3) ... [2024-10-11 23:44:43,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7786c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:44:43, skipping insertion in model container [2024-10-11 23:44:43,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:44:43" (3/3) ... [2024-10-11 23:44:43,479 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test9-2.i [2024-10-11 23:44:43,492 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:44:43,493 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:44:43,591 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:44:43,599 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;@23375efa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:44:43,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:44:43,611 INFO L276 IsEmpty]: Start isEmpty. Operand has 1417 states, 900 states have (on average 1.8366666666666667) internal successors, (1653), 1410 states have internal predecessors, (1653), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-10-11 23:44:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:44:43,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:43,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:44:43,619 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)] === [2024-10-11 23:44:43,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:43,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1902988377, now seen corresponding path program 1 times [2024-10-11 23:44:43,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:43,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83044275] [2024-10-11 23:44:43,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:44:43,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:43,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83044275] [2024-10-11 23:44:43,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83044275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:43,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:43,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:44:43,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134629579] [2024-10-11 23:44:43,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:43,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:44:43,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:44:43,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:44:43,841 INFO L87 Difference]: Start difference. First operand has 1417 states, 900 states have (on average 1.8366666666666667) internal successors, (1653), 1410 states have internal predecessors, (1653), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:44,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:44,049 INFO L93 Difference]: Finished difference Result 2831 states and 5824 transitions. [2024-10-11 23:44:44,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:44:44,052 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:44:44,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:44,093 INFO L225 Difference]: With dead ends: 2831 [2024-10-11 23:44:44,093 INFO L226 Difference]: Without dead ends: 1376 [2024-10-11 23:44:44,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:44:44,113 INFO L432 NwaCegarLoop]: 2586 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2586 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:44,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2586 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:44:44,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-10-11 23:44:44,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1376. [2024-10-11 23:44:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 863 states have (on average 1.7752027809965238) internal successors, (1532), 1370 states have internal predecessors, (1532), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:44:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 2538 transitions. [2024-10-11 23:44:44,542 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 2538 transitions. Word has length 6 [2024-10-11 23:44:44,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:44,543 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 2538 transitions. [2024-10-11 23:44:44,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2538 transitions. [2024-10-11 23:44:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:44:44,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:44,545 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:44:44,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:44:44,546 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)] === [2024-10-11 23:44:44,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:44,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1902990299, now seen corresponding path program 1 times [2024-10-11 23:44:44,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:44,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084164366] [2024-10-11 23:44:44,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:44,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:44:44,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981100555] [2024-10-11 23:44:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:44,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:44:44,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:44:44,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:44:44,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:44:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:44,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:44:44,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:44:44,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:44:44,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:44:44,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:44:44,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:44,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084164366] [2024-10-11 23:44:44,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:44:44,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981100555] [2024-10-11 23:44:44,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981100555] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:44,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:44,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:44:44,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355480643] [2024-10-11 23:44:44,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:44,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:44:44,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:44,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:44:44,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:44:44,867 INFO L87 Difference]: Start difference. First operand 1376 states and 2538 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:45,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:45,809 INFO L93 Difference]: Finished difference Result 2744 states and 5069 transitions. [2024-10-11 23:44:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:44:45,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:44:45,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:45,832 INFO L225 Difference]: With dead ends: 2744 [2024-10-11 23:44:45,833 INFO L226 Difference]: Without dead ends: 2743 [2024-10-11 23:44:45,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:44:45,839 INFO L432 NwaCegarLoop]: 2806 mSDtfsCounter, 1519 mSDsluCounter, 4816 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7622 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:45,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7622 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:44:45,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2024-10-11 23:44:46,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 1381. [2024-10-11 23:44:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 868 states have (on average 1.771889400921659) internal successors, (1538), 1375 states have internal predecessors, (1538), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:44:46,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 2544 transitions. [2024-10-11 23:44:46,192 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 2544 transitions. Word has length 6 [2024-10-11 23:44:46,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:46,192 INFO L471 AbstractCegarLoop]: Abstraction has 1381 states and 2544 transitions. [2024-10-11 23:44:46,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:46,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 2544 transitions. [2024-10-11 23:44:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 23:44:46,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:46,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:44:46,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:44:46,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:44:46,397 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)] === [2024-10-11 23:44:46,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:46,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1136842792, now seen corresponding path program 1 times [2024-10-11 23:44:46,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:46,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195995033] [2024-10-11 23:44:46,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:46,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:44:46,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502427798] [2024-10-11 23:44:46,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:46,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:44:46,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:44:46,439 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:44:46,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:44:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:46,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:44:46,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:44:46,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:44:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:44:46,615 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:44:46,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:46,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195995033] [2024-10-11 23:44:46,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:44:46,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502427798] [2024-10-11 23:44:46,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502427798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:46,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:46,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:44:46,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776477333] [2024-10-11 23:44:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:46,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:44:46,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:46,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:44:46,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:44:46,620 INFO L87 Difference]: Start difference. First operand 1381 states and 2544 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:47,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:47,463 INFO L93 Difference]: Finished difference Result 2743 states and 5068 transitions. [2024-10-11 23:44:47,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:44:47,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-11 23:44:47,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:47,483 INFO L225 Difference]: With dead ends: 2743 [2024-10-11 23:44:47,484 INFO L226 Difference]: Without dead ends: 2742 [2024-10-11 23:44:47,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:44:47,487 INFO L432 NwaCegarLoop]: 2806 mSDtfsCounter, 1517 mSDsluCounter, 4815 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 7621 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:47,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 7621 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:44:47,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2024-10-11 23:44:47,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 1382. [2024-10-11 23:44:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7710011507479861) internal successors, (1539), 1376 states have internal predecessors, (1539), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:44:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2545 transitions. [2024-10-11 23:44:47,780 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2545 transitions. Word has length 7 [2024-10-11 23:44:47,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:47,781 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2545 transitions. [2024-10-11 23:44:47,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:47,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2545 transitions. [2024-10-11 23:44:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 23:44:47,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:47,785 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] [2024-10-11 23:44:47,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:44:47,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:44:47,986 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)] === [2024-10-11 23:44:47,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:47,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1124646704, now seen corresponding path program 1 times [2024-10-11 23:44:47,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:47,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705634836] [2024-10-11 23:44:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:47,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:44:48,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:48,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705634836] [2024-10-11 23:44:48,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705634836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:48,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:48,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:44:48,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549517159] [2024-10-11 23:44:48,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:48,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:44:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:48,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:44:48,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:44:48,408 INFO L87 Difference]: Start difference. First operand 1382 states and 2545 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:49,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:49,207 INFO L93 Difference]: Finished difference Result 3910 states and 7309 transitions. [2024-10-11 23:44:49,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:44:49,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-10-11 23:44:49,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:49,228 INFO L225 Difference]: With dead ends: 3910 [2024-10-11 23:44:49,229 INFO L226 Difference]: Without dead ends: 2741 [2024-10-11 23:44:49,235 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 [2024-10-11 23:44:49,236 INFO L432 NwaCegarLoop]: 2761 mSDtfsCounter, 1519 mSDsluCounter, 4771 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:49,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7532 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:44:49,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-10-11 23:44:49,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1382. [2024-10-11 23:44:49,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7698504027617952) internal successors, (1538), 1376 states have internal predecessors, (1538), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:44:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2544 transitions. [2024-10-11 23:44:49,499 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2544 transitions. Word has length 63 [2024-10-11 23:44:49,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:49,500 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2544 transitions. [2024-10-11 23:44:49,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:49,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2544 transitions. [2024-10-11 23:44:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:44:49,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:49,508 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] [2024-10-11 23:44:49,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:44:49,509 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)] === [2024-10-11 23:44:49,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:49,509 INFO L85 PathProgramCache]: Analyzing trace with hash 504163255, now seen corresponding path program 1 times [2024-10-11 23:44:49,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:49,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402825964] [2024-10-11 23:44:49,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:49,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:44:49,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:49,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402825964] [2024-10-11 23:44:49,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402825964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:49,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:49,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:44:49,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22072377] [2024-10-11 23:44:49,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:49,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:44:49,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:49,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:44:49,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:44:49,779 INFO L87 Difference]: Start difference. First operand 1382 states and 2544 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:49,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:49,932 INFO L93 Difference]: Finished difference Result 2715 states and 5015 transitions. [2024-10-11 23:44:49,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:44:49,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80 [2024-10-11 23:44:49,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:49,943 INFO L225 Difference]: With dead ends: 2715 [2024-10-11 23:44:49,944 INFO L226 Difference]: Without dead ends: 1340 [2024-10-11 23:44:49,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:44:49,949 INFO L432 NwaCegarLoop]: 2432 mSDtfsCounter, 33 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 7280 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:49,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 7280 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:44:49,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-10-11 23:44:50,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-10-11 23:44:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 827 states have (on average 1.7666263603385732) internal successors, (1461), 1334 states have internal predecessors, (1461), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:44:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 2467 transitions. [2024-10-11 23:44:50,083 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 2467 transitions. Word has length 80 [2024-10-11 23:44:50,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:50,083 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 2467 transitions. [2024-10-11 23:44:50,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2467 transitions. [2024-10-11 23:44:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:44:50,085 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:50,085 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] [2024-10-11 23:44:50,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:44:50,086 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)] === [2024-10-11 23:44:50,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:50,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1282502295, now seen corresponding path program 1 times [2024-10-11 23:44:50,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:50,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800866873] [2024-10-11 23:44:50,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:50,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:44:50,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:50,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800866873] [2024-10-11 23:44:50,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800866873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:50,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:50,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:44:50,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094911151] [2024-10-11 23:44:50,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:50,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:44:50,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:50,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:44:50,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:44:50,264 INFO L87 Difference]: Start difference. First operand 1340 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:50,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:50,343 INFO L93 Difference]: Finished difference Result 2673 states and 4927 transitions. [2024-10-11 23:44:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:44:50,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2024-10-11 23:44:50,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:50,354 INFO L225 Difference]: With dead ends: 2673 [2024-10-11 23:44:50,355 INFO L226 Difference]: Without dead ends: 1340 [2024-10-11 23:44:50,359 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 [2024-10-11 23:44:50,360 INFO L432 NwaCegarLoop]: 2446 mSDtfsCounter, 1 mSDsluCounter, 2425 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4871 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:50,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4871 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:44:50,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-10-11 23:44:50,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-10-11 23:44:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 827 states have (on average 1.7629987908101572) internal successors, (1458), 1334 states have internal predecessors, (1458), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:44:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 2464 transitions. [2024-10-11 23:44:50,523 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 2464 transitions. Word has length 80 [2024-10-11 23:44:50,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:50,523 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 2464 transitions. [2024-10-11 23:44:50,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2464 transitions. [2024-10-11 23:44:50,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:44:50,526 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:50,526 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] [2024-10-11 23:44:50,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:44:50,527 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)] === [2024-10-11 23:44:50,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:50,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1554383213, now seen corresponding path program 1 times [2024-10-11 23:44:50,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:50,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902254737] [2024-10-11 23:44:50,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:50,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:44:50,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:50,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902254737] [2024-10-11 23:44:50,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902254737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:50,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:50,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:44:50,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160611914] [2024-10-11 23:44:50,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:50,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:44:50,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:50,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:44:50,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:44:50,674 INFO L87 Difference]: Start difference. First operand 1340 states and 2464 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:50,814 INFO L93 Difference]: Finished difference Result 3901 states and 7245 transitions. [2024-10-11 23:44:50,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:44:50,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2024-10-11 23:44:50,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:50,836 INFO L225 Difference]: With dead ends: 3901 [2024-10-11 23:44:50,836 INFO L226 Difference]: Without dead ends: 2568 [2024-10-11 23:44:50,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:44:50,843 INFO L432 NwaCegarLoop]: 2899 mSDtfsCounter, 1266 mSDsluCounter, 2439 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 5338 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:50,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 5338 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:44:50,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2024-10-11 23:44:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2564. [2024-10-11 23:44:51,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 1551 states have (on average 1.7923920051579627) internal successors, (2780), 2558 states have internal predecessors, (2780), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-10-11 23:44:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 4786 transitions. [2024-10-11 23:44:51,172 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 4786 transitions. Word has length 80 [2024-10-11 23:44:51,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:51,173 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 4786 transitions. [2024-10-11 23:44:51,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:44:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 4786 transitions. [2024-10-11 23:44:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 23:44:51,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:51,175 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:44:51,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:44:51,175 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)] === [2024-10-11 23:44:51,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:51,176 INFO L85 PathProgramCache]: Analyzing trace with hash -237096252, now seen corresponding path program 1 times [2024-10-11 23:44:51,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:51,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589321364] [2024-10-11 23:44:51,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:51,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:51,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:44:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:51,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:44:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:44:51,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:51,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589321364] [2024-10-11 23:44:51,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589321364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:51,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:44:51,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:44:51,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505741349] [2024-10-11 23:44:51,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:51,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:44:51,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:51,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:44:51,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:44:51,568 INFO L87 Difference]: Start difference. First operand 2564 states and 4786 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:44:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:44:57,057 INFO L93 Difference]: Finished difference Result 4806 states and 9133 transitions. [2024-10-11 23:44:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:44:57,058 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 93 [2024-10-11 23:44:57,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:44:57,094 INFO L225 Difference]: With dead ends: 4806 [2024-10-11 23:44:57,095 INFO L226 Difference]: Without dead ends: 4804 [2024-10-11 23:44:57,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:44:57,099 INFO L432 NwaCegarLoop]: 2703 mSDtfsCounter, 1355 mSDsluCounter, 4790 mSDsCounter, 0 mSdLazyCounter, 2646 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1857 SdHoareTripleChecker+Valid, 7493 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:44:57,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1857 Valid, 7493 Invalid, 3652 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1006 Valid, 2646 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-11 23:44:57,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2024-10-11 23:44:57,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 2628. [2024-10-11 23:44:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 1612 states have (on average 1.7729528535980148) internal successors, (2858), 2619 states have internal predecessors, (2858), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:44:57,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 4870 transitions. [2024-10-11 23:44:57,615 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 4870 transitions. Word has length 93 [2024-10-11 23:44:57,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:44:57,616 INFO L471 AbstractCegarLoop]: Abstraction has 2628 states and 4870 transitions. [2024-10-11 23:44:57,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:44:57,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 4870 transitions. [2024-10-11 23:44:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 23:44:57,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:44:57,621 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:44:57,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:44:57,621 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)] === [2024-10-11 23:44:57,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:44:57,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1995594723, now seen corresponding path program 1 times [2024-10-11 23:44:57,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:44:57,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784813607] [2024-10-11 23:44:57,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:57,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:44:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:58,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:44:58,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:44:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:44:58,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:44:58,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784813607] [2024-10-11 23:44:58,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784813607] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:44:58,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420828135] [2024-10-11 23:44:58,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:44:58,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:44:58,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:44:58,116 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:44:58,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:44:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:44:58,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 23:44:58,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:44:58,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:44:58,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:44:58,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-11 23:44:58,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 23:44:58,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-10-11 23:44:59,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:44:59,206 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:44:59,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420828135] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:44:59,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:44:59,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-11 23:44:59,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775122126] [2024-10-11 23:44:59,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:44:59,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:44:59,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:44:59,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:44:59,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:44:59,209 INFO L87 Difference]: Start difference. First operand 2628 states and 4870 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:45:03,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-11 23:45:06,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:45:06,174 INFO L93 Difference]: Finished difference Result 7387 states and 13946 transitions. [2024-10-11 23:45:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:45:06,175 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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 99 [2024-10-11 23:45:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:45:06,222 INFO L225 Difference]: With dead ends: 7387 [2024-10-11 23:45:06,223 INFO L226 Difference]: Without dead ends: 4804 [2024-10-11 23:45:06,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:45:06,235 INFO L432 NwaCegarLoop]: 2719 mSDtfsCounter, 1557 mSDsluCounter, 15106 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 17825 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:45:06,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 17825 Invalid, 1194 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1188 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-10-11 23:45:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4804 states. [2024-10-11 23:45:06,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4804 to 2628. [2024-10-11 23:45:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 1612 states have (on average 1.772332506203474) internal successors, (2857), 2619 states have internal predecessors, (2857), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:45:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 4869 transitions. [2024-10-11 23:45:06,747 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 4869 transitions. Word has length 99 [2024-10-11 23:45:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:45:06,747 INFO L471 AbstractCegarLoop]: Abstraction has 2628 states and 4869 transitions. [2024-10-11 23:45:06,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:45:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 4869 transitions. [2024-10-11 23:45:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 23:45:06,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:45:06,750 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:45:06,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-11 23:45:06,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:45:06,951 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)] === [2024-10-11 23:45:06,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:45:06,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2034292610, now seen corresponding path program 1 times [2024-10-11 23:45:06,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:45:06,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182623529] [2024-10-11 23:45:06,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:45:06,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:45:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:45:07,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:45:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:45:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:45:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:45:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:45:07,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:45:07,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182623529] [2024-10-11 23:45:07,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182623529] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:45:07,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668862669] [2024-10-11 23:45:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:45:07,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:45:07,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:45:07,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:45:07,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:45:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:45:07,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 23:45:07,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:45:38,455 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 23:45:50,467 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)