./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_JEN_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 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:22:38,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:22:38,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:22:38,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:22:38,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:22:38,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:22:38,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:22:38,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:22:38,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:22:38,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:22:38,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:22:38,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:22:38,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:22:38,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:22:38,973 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:22:38,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:22:38,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:22:38,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:22:38,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:22:38,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:22:38,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:22:38,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:22:38,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:22:38,980 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:22:38,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:22:38,980 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:22:38,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:22:38,981 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:22:38,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:22:38,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:22:38,981 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:22:38,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:22:38,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:22:38,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:22:38,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:22:38,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:22:38,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:22:38,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:22:38,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:22:38,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:22:38,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:22:38,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:22:38,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:22:38,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:22:38,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 961225f1af8bda006e5a86aed07a62a3e426daf2d218eb9a2332372592a548eb [2024-11-17 07:22:39,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:22:39,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:22:39,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:22:39,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:22:39,238 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:22:39,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2024-11-17 07:22:40,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:22:40,994 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:22:40,994 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test9-2.i [2024-11-17 07:22:41,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f843e4173/b8da88b33a6148748d2ad68ac905e8e5/FLAG530349fda [2024-11-17 07:22:41,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f843e4173/b8da88b33a6148748d2ad68ac905e8e5 [2024-11-17 07:22:41,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:22:41,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:22:41,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:22:41,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:22:41,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:22:41,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:22:41" (1/1) ... [2024-11-17 07:22:41,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e3c067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:41, skipping insertion in model container [2024-11-17 07:22:41,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:22:41" (1/1) ... [2024-11-17 07:22:41,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:22:41,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:22:41,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:22:41,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:22:42,034 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:22:42,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42 WrapperNode [2024-11-17 07:22:42,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:22:42,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:22:42,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:22:42,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:22:42,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,203 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3421 [2024-11-17 07:22:42,204 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:22:42,205 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:22:42,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:22:42,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:22:42,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,332 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-11-17 07:22:42,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,449 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:22:42,504 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:22:42,504 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:22:42,505 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:22:42,506 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (1/1) ... [2024-11-17 07:22:42,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:22:42,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:22:42,542 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 07:22:42,544 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 07:22:42,586 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-17 07:22:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:22:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:22:42,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:22:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:22:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:22:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:22:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:22:42,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:22:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:22:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:22:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:22:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:22:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:22:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:22:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:22:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:22:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:22:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:22:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:22:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:22:42,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:22:42,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:22:42,846 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:22:42,849 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:22:45,351 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 07:22:45,572 INFO L? ?]: Removed 834 outVars from TransFormulas that were not future-live. [2024-11-17 07:22:45,572 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:22:45,679 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:22:45,681 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:22:45,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:22:45 BoogieIcfgContainer [2024-11-17 07:22:45,681 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:22:45,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:22:45,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:22:45,687 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:22:45,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:22:41" (1/3) ... [2024-11-17 07:22:45,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c9f30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:22:45, skipping insertion in model container [2024-11-17 07:22:45,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:22:42" (2/3) ... [2024-11-17 07:22:45,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8c9f30e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:22:45, skipping insertion in model container [2024-11-17 07:22:45,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:22:45" (3/3) ... [2024-11-17 07:22:45,691 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test9-2.i [2024-11-17 07:22:45,706 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:22:45,706 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 07:22:45,820 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:22:45,827 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;@22aeed8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:22:45,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 07:22:45,836 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 07:22:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:22:45,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:45,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:22:45,843 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 07:22:45,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:45,849 INFO L85 PathProgramCache]: Analyzing trace with hash 901074470, now seen corresponding path program 1 times [2024-11-17 07:22:45,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:45,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227545257] [2024-11-17 07:22:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:45,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:46,009 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 07:22:46,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:46,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227545257] [2024-11-17 07:22:46,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227545257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:22:46,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:22:46,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:22:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992796902] [2024-11-17 07:22:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:22:46,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:22:46,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:22:46,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:22:46,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:22:46,046 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 07:22:46,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:22:46,266 INFO L93 Difference]: Finished difference Result 2858 states and 5851 transitions. [2024-11-17 07:22:46,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:22:46,269 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 07:22:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:22:46,306 INFO L225 Difference]: With dead ends: 2858 [2024-11-17 07:22:46,307 INFO L226 Difference]: Without dead ends: 1387 [2024-11-17 07:22:46,322 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 07:22:46,327 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 07:22:46,327 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 07:22:46,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-11-17 07:22:46,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2024-11-17 07:22:46,760 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 07:22:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 2549 transitions. [2024-11-17 07:22:46,774 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 2549 transitions. Word has length 7 [2024-11-17 07:22:46,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:22:46,775 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 2549 transitions. [2024-11-17 07:22:46,775 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 07:22:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2549 transitions. [2024-11-17 07:22:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 07:22:46,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:46,776 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:22:46,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:22:46,777 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 07:22:46,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:46,778 INFO L85 PathProgramCache]: Analyzing trace with hash 901075431, now seen corresponding path program 1 times [2024-11-17 07:22:46,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:46,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5336380] [2024-11-17 07:22:46,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:46,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:22:46,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887357131] [2024-11-17 07:22:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:46,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:22:46,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:22:46,817 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 07:22:46,819 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 07:22:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:46,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:22:46,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:22:47,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:22:47,060 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 07:22:47,061 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:22:47,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:47,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5336380] [2024-11-17 07:22:47,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:22:47,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887357131] [2024-11-17 07:22:47,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887357131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:22:47,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:22:47,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:22:47,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370108610] [2024-11-17 07:22:47,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:22:47,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:22:47,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:22:47,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:22:47,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:22:47,065 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 07:22:48,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:22:48,079 INFO L93 Difference]: Finished difference Result 2764 states and 5089 transitions. [2024-11-17 07:22:48,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:22:48,080 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 07:22:48,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:22:48,103 INFO L225 Difference]: With dead ends: 2764 [2024-11-17 07:22:48,104 INFO L226 Difference]: Without dead ends: 2762 [2024-11-17 07:22:48,106 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 07:22:48,108 INFO L432 NwaCegarLoop]: 2732 mSDtfsCounter, 1528 mSDsluCounter, 4712 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 7444 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 07:22:48,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 7444 Invalid, 700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 07:22:48,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2024-11-17 07:22:48,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 1393. [2024-11-17 07:22:48,407 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 07:22:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 2556 transitions. [2024-11-17 07:22:48,416 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 2556 transitions. Word has length 7 [2024-11-17 07:22:48,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:22:48,416 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 2556 transitions. [2024-11-17 07:22:48,416 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 07:22:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2556 transitions. [2024-11-17 07:22:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-17 07:22:48,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:48,419 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 07:22:48,434 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 07:22:48,620 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 07:22:48,620 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 07:22:48,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:48,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1984987461, now seen corresponding path program 1 times [2024-11-17 07:22:48,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:48,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797395800] [2024-11-17 07:22:48,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:48,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:49,035 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 07:22:49,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:49,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797395800] [2024-11-17 07:22:49,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797395800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:22:49,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:22:49,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:22:49,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141016843] [2024-11-17 07:22:49,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:22:49,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:22:49,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:22:49,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:22:49,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:22:49,037 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 07:22:49,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:22:49,923 INFO L93 Difference]: Finished difference Result 3935 states and 7334 transitions. [2024-11-17 07:22:49,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:22:49,924 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 07:22:49,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:22:49,945 INFO L225 Difference]: With dead ends: 3935 [2024-11-17 07:22:49,945 INFO L226 Difference]: Without dead ends: 2761 [2024-11-17 07:22:49,951 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 07:22:49,952 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 07:22:49,952 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 07:22:49,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2761 states. [2024-11-17 07:22:50,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2761 to 1393. [2024-11-17 07:22:50,194 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 07:22:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 2555 transitions. [2024-11-17 07:22:50,202 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 2555 transitions. Word has length 65 [2024-11-17 07:22:50,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:22:50,203 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 2555 transitions. [2024-11-17 07:22:50,203 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 07:22:50,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2555 transitions. [2024-11-17 07:22:50,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:22:50,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:50,208 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 07:22:50,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 07:22:50,209 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 07:22:50,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:50,210 INFO L85 PathProgramCache]: Analyzing trace with hash 685370061, now seen corresponding path program 1 times [2024-11-17 07:22:50,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:50,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007215465] [2024-11-17 07:22:50,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:50,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:50,383 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 07:22:50,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:50,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007215465] [2024-11-17 07:22:50,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007215465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:22:50,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:22:50,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:22:50,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581554795] [2024-11-17 07:22:50,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:22:50,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:22:50,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:22:50,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:22:50,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:22:50,391 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 07:22:50,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:22:50,586 INFO L93 Difference]: Finished difference Result 2798 states and 5132 transitions. [2024-11-17 07:22:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:22:50,587 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 07:22:50,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:22:50,597 INFO L225 Difference]: With dead ends: 2798 [2024-11-17 07:22:50,597 INFO L226 Difference]: Without dead ends: 1413 [2024-11-17 07:22:50,602 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 07:22:50,602 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 07:22:50,603 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 07:22:50,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2024-11-17 07:22:50,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1413. [2024-11-17 07:22:50,724 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 07:22:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2575 transitions. [2024-11-17 07:22:50,733 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2575 transitions. Word has length 83 [2024-11-17 07:22:50,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:22:50,733 INFO L471 AbstractCegarLoop]: Abstraction has 1413 states and 2575 transitions. [2024-11-17 07:22:50,733 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 07:22:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2575 transitions. [2024-11-17 07:22:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:22:50,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:50,735 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 07:22:50,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:22:50,735 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 07:22:50,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:50,736 INFO L85 PathProgramCache]: Analyzing trace with hash 584458094, now seen corresponding path program 1 times [2024-11-17 07:22:50,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:50,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733068170] [2024-11-17 07:22:50,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:50,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:50,913 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 07:22:50,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:50,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733068170] [2024-11-17 07:22:50,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733068170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:22:50,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:22:50,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:22:50,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710250351] [2024-11-17 07:22:50,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:22:50,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:22:50,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:22:50,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:22:50,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:22:50,917 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 07:22:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:22:51,090 INFO L93 Difference]: Finished difference Result 2756 states and 5053 transitions. [2024-11-17 07:22:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:22:51,091 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 07:22:51,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:22:51,102 INFO L225 Difference]: With dead ends: 2756 [2024-11-17 07:22:51,102 INFO L226 Difference]: Without dead ends: 1351 [2024-11-17 07:22:51,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:22:51,107 INFO L432 NwaCegarLoop]: 2412 mSDtfsCounter, 32 mSDsluCounter, 4809 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 7221 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:22:51,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 7221 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:22:51,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2024-11-17 07:22:51,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1351. [2024-11-17 07:22:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 838 states have (on average 1.7529832935560858) internal successors, (1469), 1345 states have internal predecessors, (1469), 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 07:22:51,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2475 transitions. [2024-11-17 07:22:51,327 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2475 transitions. Word has length 83 [2024-11-17 07:22:51,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:22:51,328 INFO L471 AbstractCegarLoop]: Abstraction has 1351 states and 2475 transitions. [2024-11-17 07:22:51,328 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 07:22:51,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2475 transitions. [2024-11-17 07:22:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 07:22:51,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:51,329 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 07:22:51,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:22:51,330 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 07:22:51,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:51,330 INFO L85 PathProgramCache]: Analyzing trace with hash -801485625, now seen corresponding path program 1 times [2024-11-17 07:22:51,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:51,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328268804] [2024-11-17 07:22:51,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:51,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:51,462 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 07:22:51,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:51,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328268804] [2024-11-17 07:22:51,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328268804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:22:51,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:22:51,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:22:51,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45783176] [2024-11-17 07:22:51,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:22:51,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:22:51,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:22:51,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:22:51,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:22:51,466 INFO L87 Difference]: Start difference. First operand 1351 states and 2475 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 07:22:51,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:22:51,682 INFO L93 Difference]: Finished difference Result 3928 states and 7272 transitions. [2024-11-17 07:22:51,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:22:51,683 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 07:22:51,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:22:51,704 INFO L225 Difference]: With dead ends: 3928 [2024-11-17 07:22:51,705 INFO L226 Difference]: Without dead ends: 2585 [2024-11-17 07:22:51,709 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 07:22:51,712 INFO L432 NwaCegarLoop]: 2883 mSDtfsCounter, 1270 mSDsluCounter, 2420 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1770 SdHoareTripleChecker+Valid, 5303 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:22:51,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1770 Valid, 5303 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:22:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2585 states. [2024-11-17 07:22:51,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2585 to 2581. [2024-11-17 07:22:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2581 states, 1568 states have (on average 1.7838010204081634) internal successors, (2797), 2575 states have internal predecessors, (2797), 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 07:22:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 4803 transitions. [2024-11-17 07:22:51,976 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 4803 transitions. Word has length 83 [2024-11-17 07:22:51,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:22:51,977 INFO L471 AbstractCegarLoop]: Abstraction has 2581 states and 4803 transitions. [2024-11-17 07:22:51,977 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 07:22:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 4803 transitions. [2024-11-17 07:22:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 07:22:51,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:51,979 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 07:22:51,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:22:51,980 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 07:22:51,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:51,982 INFO L85 PathProgramCache]: Analyzing trace with hash 768414359, now seen corresponding path program 1 times [2024-11-17 07:22:51,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:51,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555625906] [2024-11-17 07:22:51,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:51,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:52,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:22:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:52,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:22:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:52,369 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 07:22:52,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:52,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555625906] [2024-11-17 07:22:52,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555625906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:22:52,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:22:52,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:22:52,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402388555] [2024-11-17 07:22:52,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:22:52,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:22:52,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:22:52,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:22:52,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:22:52,373 INFO L87 Difference]: Start difference. First operand 2581 states and 4803 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 07:22:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:22:56,662 INFO L93 Difference]: Finished difference Result 4834 states and 9161 transitions. [2024-11-17 07:22:56,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:22:56,662 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 07:22:56,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:22:56,694 INFO L225 Difference]: With dead ends: 4834 [2024-11-17 07:22:56,695 INFO L226 Difference]: Without dead ends: 4832 [2024-11-17 07:22:56,696 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 07:22:56,697 INFO L432 NwaCegarLoop]: 2694 mSDtfsCounter, 1364 mSDsluCounter, 4728 mSDsCounter, 0 mSdLazyCounter, 2800 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 7422 SdHoareTripleChecker+Invalid, 3806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:22:56,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 7422 Invalid, 3806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2800 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-17 07:22:56,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4832 states. [2024-11-17 07:22:57,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4832 to 2646. [2024-11-17 07:22:57,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 1630 states have (on average 1.7644171779141105) internal successors, (2876), 2637 states have internal predecessors, (2876), 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 07:22:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 4888 transitions. [2024-11-17 07:22:57,185 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 4888 transitions. Word has length 98 [2024-11-17 07:22:57,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:22:57,186 INFO L471 AbstractCegarLoop]: Abstraction has 2646 states and 4888 transitions. [2024-11-17 07:22:57,186 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 07:22:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 4888 transitions. [2024-11-17 07:22:57,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-17 07:22:57,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:22:57,187 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 07:22:57,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:22:57,188 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 07:22:57,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:22:57,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1294501326, now seen corresponding path program 1 times [2024-11-17 07:22:57,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:22:57,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808305815] [2024-11-17 07:22:57,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:57,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:22:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:57,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-17 07:22:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:57,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:22:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:57,767 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 07:22:57,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:22:57,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808305815] [2024-11-17 07:22:57,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808305815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:22:57,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532755057] [2024-11-17 07:22:57,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:22:57,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:22:57,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:22:57,771 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 07:22:57,774 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 07:22:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:22:58,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 07:22:58,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:22:58,077 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 07:22:58,096 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 07:22:58,117 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 23 treesize of output 22 [2024-11-17 07:23:02,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 07:23:02,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-11-17 07:23:02,926 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 07:23:02,927 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:23:02,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532755057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:23:02,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:23:02,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 07:23:02,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792932538] [2024-11-17 07:23:02,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:23:02,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:23:02,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:23:02,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:23:02,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=149, Unknown=1, NotChecked=0, Total=182 [2024-11-17 07:23:02,930 INFO L87 Difference]: Start difference. First operand 2646 states and 4888 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 07:23:07,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-17 07:23:08,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-17 07:23:13,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:23:13,546 INFO L93 Difference]: Finished difference Result 7429 states and 13988 transitions. [2024-11-17 07:23:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:23:13,547 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 07:23:13,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:23:13,595 INFO L225 Difference]: With dead ends: 7429 [2024-11-17 07:23:13,595 INFO L226 Difference]: Without dead ends: 4831 [2024-11-17 07:23:13,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=92, Invalid=369, Unknown=1, NotChecked=0, Total=462 [2024-11-17 07:23:13,606 INFO L432 NwaCegarLoop]: 2650 mSDtfsCounter, 1560 mSDsluCounter, 17355 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2062 SdHoareTripleChecker+Valid, 20005 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:23:13,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2062 Valid, 20005 Invalid, 1486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1480 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2024-11-17 07:23:13,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4831 states. [2024-11-17 07:23:14,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4831 to 2646. [2024-11-17 07:23:14,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 1630 states have (on average 1.7638036809815951) internal successors, (2875), 2637 states have internal predecessors, (2875), 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 07:23:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 4887 transitions. [2024-11-17 07:23:14,228 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 4887 transitions. Word has length 105 [2024-11-17 07:23:14,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:23:14,229 INFO L471 AbstractCegarLoop]: Abstraction has 2646 states and 4887 transitions. [2024-11-17 07:23:14,229 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 07:23:14,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 4887 transitions. [2024-11-17 07:23:14,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 07:23:14,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:23:14,230 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 07:23:14,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 07:23:14,431 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 07:23:14,432 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 07:23:14,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:23:14,432 INFO L85 PathProgramCache]: Analyzing trace with hash -980768704, now seen corresponding path program 1 times [2024-11-17 07:23:14,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:23:14,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874380313] [2024-11-17 07:23:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:23:14,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:23:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:23:14,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:23:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:23:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:23:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:23:14,997 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 07:23:14,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:23:14,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874380313] [2024-11-17 07:23:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874380313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:23:14,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574698968] [2024-11-17 07:23:14,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:23:14,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:23:14,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:23:15,000 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 07:23:15,002 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 07:23:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:23:15,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 07:23:15,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:23:52,721 WARN L286 SmtUtils]: Spent 12.03s 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 07:24:04,736 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)