./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:19:48,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:19:48,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:19:48,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:19:48,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:19:48,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:19:48,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:19:48,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:19:48,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:19:48,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:19:48,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:19:48,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:19:48,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:19:48,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:19:48,270 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:19:48,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:19:48,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:19:48,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:19:48,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:19:48,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:19:48,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:19:48,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:19:48,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:19:48,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:19:48,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:19:48,277 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:19:48,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:19:48,278 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:19:48,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:19:48,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:19:48,278 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:19:48,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:19:48,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:19:48,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:19:48,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:19:48,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:19:48,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:19:48,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:19:48,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:19:48,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:19:48,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:19:48,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:19:48,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:19:48,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:19:48,282 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2024-11-17 07:19:48,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:19:48,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:19:48,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:19:48,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:19:48,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:19:48,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2024-11-17 07:19:49,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:19:50,326 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:19:50,327 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2024-11-17 07:19:50,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2614d7e2/750a7e19098747d39c4b362187d33d67/FLAG50b12eb4d [2024-11-17 07:19:50,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2614d7e2/750a7e19098747d39c4b362187d33d67 [2024-11-17 07:19:50,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:19:50,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:19:50,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:19:50,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:19:50,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:19:50,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:19:50" (1/1) ... [2024-11-17 07:19:50,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103fdb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:50, skipping insertion in model container [2024-11-17 07:19:50,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:19:50" (1/1) ... [2024-11-17 07:19:50,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:19:51,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:19:51,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:19:51,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:19:51,377 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:19:51,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51 WrapperNode [2024-11-17 07:19:51,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:19:51,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:19:51,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:19:51,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:19:51,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,555 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3421 [2024-11-17 07:19:51,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:19:51,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:19:51,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:19:51,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:19:51,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,729 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 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, 4, 50]. [2024-11-17 07:19:51,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,789 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:19:51,837 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:19:51,837 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:19:51,838 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:19:51,839 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (1/1) ... [2024-11-17 07:19:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:19:51,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:51,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:19:51,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:19:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:19:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:19:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:19:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:19:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:19:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:19:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:19:51,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:19:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:19:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:19:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:19:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:19:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:19:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:19:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:19:51,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:19:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:19:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:19:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:19:51,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:19:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:19:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:19:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:19:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:19:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:19:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:19:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:19:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:19:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:19:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:19:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:19:52,152 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:19:52,154 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:19:54,664 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2218: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 07:19:54,928 INFO L? ?]: Removed 834 outVars from TransFormulas that were not future-live. [2024-11-17 07:19:54,928 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:19:55,003 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:19:55,003 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:19:55,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:19:55 BoogieIcfgContainer [2024-11-17 07:19:55,004 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:19:55,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:19:55,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:19:55,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:19:55,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:19:50" (1/3) ... [2024-11-17 07:19:55,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7c8980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:19:55, skipping insertion in model container [2024-11-17 07:19:55,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:19:51" (2/3) ... [2024-11-17 07:19:55,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7c8980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:19:55, skipping insertion in model container [2024-11-17 07:19:55,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:19:55" (3/3) ... [2024-11-17 07:19:55,015 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-2.i [2024-11-17 07:19:55,030 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:19:55,031 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 07:19:55,139 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:19:55,145 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;@1e2e2151, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:19:55,145 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 07:19:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand has 1431 states, 914 states have (on average 1.823851203501094) internal successors, (1667), 1424 states have internal predecessors, (1667), 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) [2024-11-17 07:19:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:19:55,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:55,161 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:19:55,161 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:19:55,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:55,166 INFO L85 PathProgramCache]: Analyzing trace with hash 901074470, now seen corresponding path program 1 times [2024-11-17 07:19:55,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:55,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486399262] [2024-11-17 07:19:55,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:55,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:19:55,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:55,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486399262] [2024-11-17 07:19:55,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486399262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:55,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:55,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:19:55,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95973243] [2024-11-17 07:19:55,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:55,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:19:55,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:55,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:19:55,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:19:55,395 INFO L87 Difference]: Start difference. First operand has 1431 states, 914 states have (on average 1.823851203501094) internal successors, (1667), 1424 states have internal predecessors, (1667), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:55,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:55,629 INFO L93 Difference]: Finished difference Result 2858 states and 5851 transitions. [2024-11-17 07:19:55,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:19:55,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 07:19:55,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:55,675 INFO L225 Difference]: With dead ends: 2858 [2024-11-17 07:19:55,675 INFO L226 Difference]: Without dead ends: 1387 [2024-11-17 07:19:55,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:19:55,701 INFO L432 NwaCegarLoop]: 2563 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:55,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2563 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:19:55,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-11-17 07:19:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2024-11-17 07:19:56,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 874 states have (on average 1.765446224256293) internal successors, (1543), 1381 states have internal predecessors, (1543), 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) [2024-11-17 07:19:56,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2549 transitions. [2024-11-17 07:19:56,166 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2549 transitions. Word has length 7 [2024-11-17 07:19:56,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:56,166 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 2549 transitions. [2024-11-17 07:19:56,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:56,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2549 transitions. [2024-11-17 07:19:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:19:56,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:56,168 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:19:56,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:19:56,168 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:19:56,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:56,169 INFO L85 PathProgramCache]: Analyzing trace with hash 901075431, now seen corresponding path program 1 times [2024-11-17 07:19:56,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:56,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328863722] [2024-11-17 07:19:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:56,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:19:56,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1955688307] [2024-11-17 07:19:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:56,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:19:56,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:19:56,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:19:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:56,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:19:56,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:19:56,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:19:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:19:56,488 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:19:56,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:56,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328863722] [2024-11-17 07:19:56,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:19:56,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955688307] [2024-11-17 07:19:56,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955688307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:56,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:56,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:19:56,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153948267] [2024-11-17 07:19:56,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:56,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:19:56,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:56,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:19:56,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:19:56,495 INFO L87 Difference]: Start difference. First operand 1387 states and 2549 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:57,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:57,538 INFO L93 Difference]: Finished difference Result 2764 states and 5089 transitions. [2024-11-17 07:19:57,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:19:57,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 07:19:57,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:57,562 INFO L225 Difference]: With dead ends: 2764 [2024-11-17 07:19:57,562 INFO L226 Difference]: Without dead ends: 2762 [2024-11-17 07:19:57,565 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:19:57,566 INFO L432 NwaCegarLoop]: 2732 mSDtfsCounter, 1528 mSDsluCounter, 4712 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 7444 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:57,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 7444 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:19:57,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2024-11-17 07:19:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 1393. [2024-11-17 07:19:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 880 states have (on average 1.7613636363636365) internal successors, (1550), 1387 states have internal predecessors, (1550), 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) [2024-11-17 07:19:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 2556 transitions. [2024-11-17 07:19:57,926 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 2556 transitions. Word has length 7 [2024-11-17 07:19:57,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:57,926 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 2556 transitions. [2024-11-17 07:19:57,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2556 transitions. [2024-11-17 07:19:57,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-17 07:19:57,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:57,931 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] [2024-11-17 07:19:57,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 07:19:58,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:19:58,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:19:58,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:58,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1984987461, now seen corresponding path program 1 times [2024-11-17 07:19:58,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:58,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264593612] [2024-11-17 07:19:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:58,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:58,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:19:58,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:58,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264593612] [2024-11-17 07:19:58,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264593612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:58,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:58,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:19:58,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627475811] [2024-11-17 07:19:58,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:58,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:19:58,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:19:58,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:19:58,493 INFO L87 Difference]: Start difference. First operand 1393 states and 2556 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:59,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:19:59,409 INFO L93 Difference]: Finished difference Result 3935 states and 7334 transitions. [2024-11-17 07:19:59,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:19:59,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2024-11-17 07:19:59,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:19:59,428 INFO L225 Difference]: With dead ends: 3935 [2024-11-17 07:19:59,429 INFO L226 Difference]: Without dead ends: 2761 [2024-11-17 07:19:59,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:19:59,435 INFO L432 NwaCegarLoop]: 2788 mSDtfsCounter, 1528 mSDsluCounter, 4769 mSDsCounter, 0 mSdLazyCounter, 696 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 7557 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:19:59,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 7557 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 696 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:19:59,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2024-11-17 07:19:59,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1393. [2024-11-17 07:19:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 880 states have (on average 1.7602272727272728) internal successors, (1549), 1387 states have internal predecessors, (1549), 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) [2024-11-17 07:19:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 2555 transitions. [2024-11-17 07:19:59,696 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 2555 transitions. Word has length 65 [2024-11-17 07:19:59,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:19:59,696 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 2555 transitions. [2024-11-17 07:19:59,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:19:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2555 transitions. [2024-11-17 07:19:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:19:59,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:19:59,700 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:19:59,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:19:59,700 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:19:59,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:19:59,701 INFO L85 PathProgramCache]: Analyzing trace with hash 685370061, now seen corresponding path program 1 times [2024-11-17 07:19:59,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:19:59,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464554949] [2024-11-17 07:19:59,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:19:59,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:19:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:19:59,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:19:59,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:19:59,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464554949] [2024-11-17 07:19:59,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464554949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:19:59,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:19:59,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:19:59,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660883010] [2024-11-17 07:19:59,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:19:59,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:19:59,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:19:59,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:19:59,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:19:59,897 INFO L87 Difference]: Start difference. First operand 1393 states and 2555 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:00,075 INFO L93 Difference]: Finished difference Result 2798 states and 5132 transitions. [2024-11-17 07:20:00,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:20:00,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2024-11-17 07:20:00,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:00,087 INFO L225 Difference]: With dead ends: 2798 [2024-11-17 07:20:00,087 INFO L226 Difference]: Without dead ends: 1413 [2024-11-17 07:20:00,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:20:00,093 INFO L432 NwaCegarLoop]: 2488 mSDtfsCounter, 8 mSDsluCounter, 2473 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4961 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:00,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 4961 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:20:00,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2024-11-17 07:20:00,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1413. [2024-11-17 07:20:00,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 900 states have (on average 1.7433333333333334) internal successors, (1569), 1407 states have internal predecessors, (1569), 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) [2024-11-17 07:20:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2575 transitions. [2024-11-17 07:20:00,225 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2575 transitions. Word has length 83 [2024-11-17 07:20:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:00,225 INFO L471 AbstractCegarLoop]: Abstraction has 1413 states and 2575 transitions. [2024-11-17 07:20:00,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2575 transitions. [2024-11-17 07:20:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:20:00,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:00,227 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:00,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:20:00,228 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:20:00,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:00,228 INFO L85 PathProgramCache]: Analyzing trace with hash 584458094, now seen corresponding path program 1 times [2024-11-17 07:20:00,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:00,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980336186] [2024-11-17 07:20:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:00,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:20:00,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:00,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980336186] [2024-11-17 07:20:00,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980336186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:00,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:00,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:20:00,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561907740] [2024-11-17 07:20:00,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:00,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:20:00,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:00,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:20:00,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:20:00,393 INFO L87 Difference]: Start difference. First operand 1413 states and 2575 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:00,582 INFO L93 Difference]: Finished difference Result 2804 states and 5128 transitions. [2024-11-17 07:20:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:20:00,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2024-11-17 07:20:00,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:00,593 INFO L225 Difference]: With dead ends: 2804 [2024-11-17 07:20:00,593 INFO L226 Difference]: Without dead ends: 1399 [2024-11-17 07:20:00,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:20:00,599 INFO L432 NwaCegarLoop]: 2480 mSDtfsCounter, 105 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 7355 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:00,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 7355 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:20:00,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2024-11-17 07:20:00,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1399. [2024-11-17 07:20:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 886 states have (on average 1.747178329571106) internal successors, (1548), 1393 states have internal predecessors, (1548), 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) [2024-11-17 07:20:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 2554 transitions. [2024-11-17 07:20:00,745 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 2554 transitions. Word has length 83 [2024-11-17 07:20:00,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:00,746 INFO L471 AbstractCegarLoop]: Abstraction has 1399 states and 2554 transitions. [2024-11-17 07:20:00,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2554 transitions. [2024-11-17 07:20:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:20:00,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:00,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:00,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:20:00,748 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:20:00,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash -801485625, now seen corresponding path program 1 times [2024-11-17 07:20:00,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:00,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329049330] [2024-11-17 07:20:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:20:00,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:00,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329049330] [2024-11-17 07:20:00,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329049330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:00,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:00,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:20:00,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825948127] [2024-11-17 07:20:00,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:00,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:20:00,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:00,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:20:00,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:20:00,882 INFO L87 Difference]: Start difference. First operand 1399 states and 2554 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:01,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:01,117 INFO L93 Difference]: Finished difference Result 4072 states and 7509 transitions. [2024-11-17 07:20:01,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:20:01,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 83 [2024-11-17 07:20:01,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:01,139 INFO L225 Difference]: With dead ends: 4072 [2024-11-17 07:20:01,139 INFO L226 Difference]: Without dead ends: 2681 [2024-11-17 07:20:01,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:20:01,148 INFO L432 NwaCegarLoop]: 2925 mSDtfsCounter, 1346 mSDsluCounter, 2487 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 5412 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:01,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 5412 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:20:01,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2681 states. [2024-11-17 07:20:01,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2681 to 2677. [2024-11-17 07:20:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 1664 states have (on average 1.7758413461538463) internal successors, (2955), 2671 states have internal predecessors, (2955), 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) [2024-11-17 07:20:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 4961 transitions. [2024-11-17 07:20:01,420 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 4961 transitions. Word has length 83 [2024-11-17 07:20:01,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:01,421 INFO L471 AbstractCegarLoop]: Abstraction has 2677 states and 4961 transitions. [2024-11-17 07:20:01,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:20:01,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 4961 transitions. [2024-11-17 07:20:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 07:20:01,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:01,423 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:01,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:20:01,423 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:20:01,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:01,423 INFO L85 PathProgramCache]: Analyzing trace with hash 363637655, now seen corresponding path program 1 times [2024-11-17 07:20:01,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:01,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113348376] [2024-11-17 07:20:01,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:01,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:01,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:20:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:01,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:20:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:01,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:01,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113348376] [2024-11-17 07:20:01,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113348376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:01,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:01,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:20:01,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855180292] [2024-11-17 07:20:01,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:01,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:20:01,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:01,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:20:01,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:20:01,809 INFO L87 Difference]: Start difference. First operand 2677 states and 4961 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:06,261 INFO L93 Difference]: Finished difference Result 4930 states and 9319 transitions. [2024-11-17 07:20:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:20:06,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 98 [2024-11-17 07:20:06,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:06,299 INFO L225 Difference]: With dead ends: 4930 [2024-11-17 07:20:06,299 INFO L226 Difference]: Without dead ends: 4928 [2024-11-17 07:20:06,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:20:06,302 INFO L432 NwaCegarLoop]: 2773 mSDtfsCounter, 1440 mSDsluCounter, 4928 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 7701 SdHoareTripleChecker+Invalid, 3867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:06,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 7701 Invalid, 3867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2861 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-17 07:20:06,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4928 states. [2024-11-17 07:20:06,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4928 to 2742. [2024-11-17 07:20:06,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2742 states, 1726 states have (on average 1.7578215527230592) internal successors, (3034), 2733 states have internal predecessors, (3034), 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) [2024-11-17 07:20:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2742 states and 5046 transitions. [2024-11-17 07:20:06,816 INFO L78 Accepts]: Start accepts. Automaton has 2742 states and 5046 transitions. Word has length 98 [2024-11-17 07:20:06,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:06,817 INFO L471 AbstractCegarLoop]: Abstraction has 2742 states and 5046 transitions. [2024-11-17 07:20:06,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 5046 transitions. [2024-11-17 07:20:06,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-17 07:20:06,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:06,819 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:06,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:20:06,819 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:20:06,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:06,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1779842766, now seen corresponding path program 1 times [2024-11-17 07:20:06,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:06,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481576838] [2024-11-17 07:20:06,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:06,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:20:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:07,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:20:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:20:07,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:07,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481576838] [2024-11-17 07:20:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481576838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:07,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462674556] [2024-11-17 07:20:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:07,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:07,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:07,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:07,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:20:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:07,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 07:20:07,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:07,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:07,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:20:07,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 07:20:08,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 07:20:08,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2024-11-17 07:20:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:08,581 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:20:08,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462674556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:08,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:20:08,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 07:20:08,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570500613] [2024-11-17 07:20:08,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:08,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:20:08,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:08,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:20:08,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:20:08,586 INFO L87 Difference]: Start difference. First operand 2742 states and 5046 transitions. Second operand has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:11,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-17 07:20:13,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:13,431 INFO L93 Difference]: Finished difference Result 7613 states and 14273 transitions. [2024-11-17 07:20:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:20:13,432 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-17 07:20:13,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:13,485 INFO L225 Difference]: With dead ends: 7613 [2024-11-17 07:20:13,558 INFO L226 Difference]: Without dead ends: 4967 [2024-11-17 07:20:13,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:20:13,569 INFO L432 NwaCegarLoop]: 2772 mSDtfsCounter, 1792 mSDsluCounter, 15232 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2294 SdHoareTripleChecker+Valid, 18004 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:13,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2294 Valid, 18004 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1694 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-17 07:20:13,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4967 states. [2024-11-17 07:20:14,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4967 to 2775. [2024-11-17 07:20:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2775 states, 1759 states have (on average 1.7464468447981807) internal successors, (3072), 2766 states have internal predecessors, (3072), 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) [2024-11-17 07:20:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2775 states and 5084 transitions. [2024-11-17 07:20:14,076 INFO L78 Accepts]: Start accepts. Automaton has 2775 states and 5084 transitions. Word has length 105 [2024-11-17 07:20:14,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:14,076 INFO L471 AbstractCegarLoop]: Abstraction has 2775 states and 5084 transitions. [2024-11-17 07:20:14,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:14,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 5084 transitions. [2024-11-17 07:20:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-17 07:20:14,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:14,080 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:14,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:20:14,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-17 07:20:14,281 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:20:14,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:14,281 INFO L85 PathProgramCache]: Analyzing trace with hash -671027567, now seen corresponding path program 1 times [2024-11-17 07:20:14,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:14,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542085145] [2024-11-17 07:20:14,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:14,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:14,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:20:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:14,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:20:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:14,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:20:14,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:14,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542085145] [2024-11-17 07:20:14,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542085145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:20:14,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:20:14,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 07:20:14,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503357213] [2024-11-17 07:20:14,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:20:14,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:20:14,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:20:14,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:20:14,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:20:14,471 INFO L87 Difference]: Start difference. First operand 2775 states and 5084 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:16,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:20:16,682 INFO L93 Difference]: Finished difference Result 5376 states and 9932 transitions. [2024-11-17 07:20:16,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 07:20:16,683 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-17 07:20:16,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:20:16,697 INFO L225 Difference]: With dead ends: 5376 [2024-11-17 07:20:16,697 INFO L226 Difference]: Without dead ends: 2637 [2024-11-17 07:20:16,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:20:16,705 INFO L432 NwaCegarLoop]: 2410 mSDtfsCounter, 15 mSDsluCounter, 5159 mSDsCounter, 0 mSdLazyCounter, 1742 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 7569 SdHoareTripleChecker+Invalid, 2249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:20:16,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 7569 Invalid, 2249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1742 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-17 07:20:16,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2637 states. [2024-11-17 07:20:16,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2637 to 2634. [2024-11-17 07:20:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2634 states, 1618 states have (on average 1.7682323856613102) internal successors, (2861), 2625 states have internal predecessors, (2861), 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) [2024-11-17 07:20:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 4873 transitions. [2024-11-17 07:20:16,997 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 4873 transitions. Word has length 105 [2024-11-17 07:20:16,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:20:16,997 INFO L471 AbstractCegarLoop]: Abstraction has 2634 states and 4873 transitions. [2024-11-17 07:20:16,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:20:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 4873 transitions. [2024-11-17 07:20:17,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 07:20:17,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:20:17,002 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:20:17,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 07:20:17,002 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 07:20:17,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:20:17,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1466110144, now seen corresponding path program 1 times [2024-11-17 07:20:17,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:20:17,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702703258] [2024-11-17 07:20:17,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:17,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:20:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:17,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:20:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:17,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:20:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:20:17,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:20:17,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702703258] [2024-11-17 07:20:17,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702703258] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:20:17,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110837799] [2024-11-17 07:20:17,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:20:17,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:20:17,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:20:17,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:20:17,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 07:20:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:20:17,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 07:20:17,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:20:42,963 WARN L286 SmtUtils]: Spent 12.02s 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) [2024-11-17 07:20:54,981 WARN L286 SmtUtils]: Spent 12.02s 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) [2024-11-17 07:21:15,693 WARN L286 SmtUtils]: Spent 12.02s 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)