./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:37:25,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:37:25,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:37:25,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:37:25,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:37:25,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:37:25,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:37:25,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:37:25,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:37:25,636 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:37:25,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:37:25,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:37:25,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:37:25,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:37:25,640 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:37:25,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:37:25,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:37:25,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:37:25,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:37:25,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:37:25,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:37:25,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:37:25,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:37:25,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:37:25,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:37:25,645 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:37:25,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:37:25,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:37:25,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:37:25,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:37:25,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:37:25,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:37:25,647 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:37:25,647 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:37:25,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:37:25,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:37:25,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:37:25,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:37:25,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:37:25,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:37:25,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:37:25,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:37:25,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:37:25,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:37:25,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a379a11019678fc2a367efcf212f49fd3083d5f94e928c550866b32de723f686 [2024-11-20 21:37:25,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:37:25,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:37:25,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:37:25,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:37:25,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:37:25,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2024-11-20 21:37:27,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:37:27,647 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:37:27,648 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test3-1.i [2024-11-20 21:37:27,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a15e3543/1846286ed1bb4b1989cf4e5d33103390/FLAG6b4f756ab [2024-11-20 21:37:27,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a15e3543/1846286ed1bb4b1989cf4e5d33103390 [2024-11-20 21:37:27,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:37:27,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:37:27,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:37:27,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:37:27,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:37:27,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:37:27" (1/1) ... [2024-11-20 21:37:27,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107bfe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:27, skipping insertion in model container [2024-11-20 21:37:27,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:37:27" (1/1) ... [2024-11-20 21:37:27,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:37:28,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:37:28,565 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:37:28,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:37:28,699 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:37:28,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28 WrapperNode [2024-11-20 21:37:28,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:37:28,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:37:28,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:37:28,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:37:28,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:28,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:28,829 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1463 [2024-11-20 21:37:28,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:37:28,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:37:28,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:37:28,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:37:28,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:28,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:28,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:28,936 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 219, 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]. [2024-11-20 21:37:28,937 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:28,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:28,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:29,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:29,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:29,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:29,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:37:29,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:37:29,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:37:29,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:37:29,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (1/1) ... [2024-11-20 21:37:29,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:37:29,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:37:29,072 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) [2024-11-20 21:37:29,074 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 [2024-11-20 21:37:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-20 21:37:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-20 21:37:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:37:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 21:37:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-20 21:37:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-20 21:37:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-20 21:37:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-20 21:37:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-20 21:37:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 21:37:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:37:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 21:37:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 21:37:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 21:37:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 21:37:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 21:37:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 21:37:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 21:37:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 21:37:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:37:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:37:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 21:37:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:37:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:37:29,414 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:37:29,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:37:30,870 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2024-11-20 21:37:30,870 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:37:30,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:37:30,898 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-20 21:37:30,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:37:30 BoogieIcfgContainer [2024-11-20 21:37:30,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:37:30,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:37:30,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:37:30,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:37:30,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:37:27" (1/3) ... [2024-11-20 21:37:30,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dcc8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:37:30, skipping insertion in model container [2024-11-20 21:37:30,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:37:28" (2/3) ... [2024-11-20 21:37:30,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dcc8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:37:30, skipping insertion in model container [2024-11-20 21:37:30,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:37:30" (3/3) ... [2024-11-20 21:37:30,906 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test3-1.i [2024-11-20 21:37:30,922 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:37:30,922 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:37:30,999 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:37:31,006 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;@7bb30237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:37:31,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-20 21:37:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 429 states, 407 states have (on average 1.628992628992629) internal successors, (663), 422 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-20 21:37:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 21:37:31,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:31,021 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:31,021 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:31,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:31,028 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-20 21:37:31,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:31,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994140333] [2024-11-20 21:37:31,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:31,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:31,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:37:31,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:31,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994140333] [2024-11-20 21:37:31,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994140333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:31,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:31,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:37:31,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242079454] [2024-11-20 21:37:31,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:31,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 21:37:31,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 21:37:31,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 21:37:31,251 INFO L87 Difference]: Start difference. First operand has 429 states, 407 states have (on average 1.628992628992629) internal successors, (663), 422 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:31,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:31,331 INFO L93 Difference]: Finished difference Result 854 states and 1368 transitions. [2024-11-20 21:37:31,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 21:37:31,333 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 [2024-11-20 21:37:31,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:31,348 INFO L225 Difference]: With dead ends: 854 [2024-11-20 21:37:31,348 INFO L226 Difference]: Without dead ends: 420 [2024-11-20 21:37:31,353 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 [2024-11-20 21:37:31,357 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:31,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:37:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-20 21:37:31,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-20 21:37:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 402 states have (on average 1.4601990049751243) internal successors, (587), 414 states have internal predecessors, (587), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:37:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-11-20 21:37:31,429 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 7 [2024-11-20 21:37:31,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:31,430 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-11-20 21:37:31,430 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) [2024-11-20 21:37:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-11-20 21:37:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 21:37:31,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:31,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:31,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:37:31,431 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:31,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:31,432 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-20 21:37:31,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:31,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146347943] [2024-11-20 21:37:31,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:31,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 21:37:31,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239325582] [2024-11-20 21:37:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:31,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:31,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:37:31,512 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) [2024-11-20 21:37:31,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 21:37:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:31,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 21:37:31,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:37:31,723 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 [2024-11-20 21:37:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:37:31,762 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:37:31,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146347943] [2024-11-20 21:37:31,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 21:37:31,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239325582] [2024-11-20 21:37:31,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239325582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:31,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:31,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:37:31,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709127920] [2024-11-20 21:37:31,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:31,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:37:31,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:31,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:37:31,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:37:31,767 INFO L87 Difference]: Start difference. First operand 420 states and 603 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:31,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:31,950 INFO L93 Difference]: Finished difference Result 830 states and 1197 transitions. [2024-11-20 21:37:31,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:37:31,951 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 [2024-11-20 21:37:31,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:31,958 INFO L225 Difference]: With dead ends: 830 [2024-11-20 21:37:31,958 INFO L226 Difference]: Without dead ends: 829 [2024-11-20 21:37:31,959 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 [2024-11-20 21:37:31,960 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 572 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1819 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:31,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1819 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:37:31,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-20 21:37:31,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 425. [2024-11-20 21:37:31,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 407 states have (on average 1.457002457002457) internal successors, (593), 419 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:37:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 609 transitions. [2024-11-20 21:37:32,002 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 609 transitions. Word has length 7 [2024-11-20 21:37:32,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:32,002 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 609 transitions. [2024-11-20 21:37:32,003 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) [2024-11-20 21:37:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 609 transitions. [2024-11-20 21:37:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 21:37:32,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:32,003 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:32,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 21:37:32,208 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 [2024-11-20 21:37:32,209 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:32,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:32,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1002424139, now seen corresponding path program 1 times [2024-11-20 21:37:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:32,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932908822] [2024-11-20 21:37:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:32,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 21:37:32,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870365419] [2024-11-20 21:37:32,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:32,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:32,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:37:32,239 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) [2024-11-20 21:37:32,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 21:37:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:32,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 21:37:32,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:37:32,391 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 [2024-11-20 21:37:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:37:32,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:37:32,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:32,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932908822] [2024-11-20 21:37:32,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 21:37:32,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870365419] [2024-11-20 21:37:32,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870365419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:32,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:32,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:37:32,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625207869] [2024-11-20 21:37:32,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:32,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:37:32,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:32,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:37:32,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:37:32,420 INFO L87 Difference]: Start difference. First operand 425 states and 609 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:32,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:32,553 INFO L93 Difference]: Finished difference Result 829 states and 1196 transitions. [2024-11-20 21:37:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:37:32,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 21:37:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:32,557 INFO L225 Difference]: With dead ends: 829 [2024-11-20 21:37:32,558 INFO L226 Difference]: Without dead ends: 828 [2024-11-20 21:37:32,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:37:32,559 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 570 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:32,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [578 Valid, 1818 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:37:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-20 21:37:32,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 426. [2024-11-20 21:37:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4558823529411764) internal successors, (594), 420 states have internal predecessors, (594), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:37:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 610 transitions. [2024-11-20 21:37:32,580 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 610 transitions. Word has length 8 [2024-11-20 21:37:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:32,580 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 610 transitions. [2024-11-20 21:37:32,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2024-11-20 21:37:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-20 21:37:32,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:32,581 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:32,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 21:37:32,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-20 21:37:32,782 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:32,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:32,783 INFO L85 PathProgramCache]: Analyzing trace with hash -157664827, now seen corresponding path program 1 times [2024-11-20 21:37:32,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:32,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888361547] [2024-11-20 21:37:32,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:32,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:32,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:37:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:32,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888361547] [2024-11-20 21:37:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888361547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:32,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:32,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:37:32,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85934009] [2024-11-20 21:37:32,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:32,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:37:32,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:32,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:37:32,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:37:32,962 INFO L87 Difference]: Start difference. First operand 426 states and 610 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:33,086 INFO L93 Difference]: Finished difference Result 1038 states and 1500 transitions. [2024-11-20 21:37:33,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:37:33,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-20 21:37:33,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:33,090 INFO L225 Difference]: With dead ends: 1038 [2024-11-20 21:37:33,090 INFO L226 Difference]: Without dead ends: 827 [2024-11-20 21:37:33,094 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 [2024-11-20 21:37:33,096 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 572 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:33,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1739 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:37:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-20 21:37:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 426. [2024-11-20 21:37:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 420 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:37:33,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 609 transitions. [2024-11-20 21:37:33,116 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 609 transitions. Word has length 10 [2024-11-20 21:37:33,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:33,116 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 609 transitions. [2024-11-20 21:37:33,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:33,117 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2024-11-20 21:37:33,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 21:37:33,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:33,121 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:33,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:37:33,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:33,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:33,122 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-20 21:37:33,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:33,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140838937] [2024-11-20 21:37:33,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:33,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:37:33,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:33,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140838937] [2024-11-20 21:37:33,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140838937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:33,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:33,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:37:33,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721017679] [2024-11-20 21:37:33,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:33,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:37:33,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:33,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:37:33,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:37:33,508 INFO L87 Difference]: Start difference. First operand 426 states and 609 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:33,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:33,595 INFO L93 Difference]: Finished difference Result 801 states and 1142 transitions. [2024-11-20 21:37:33,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:37:33,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-20 21:37:33,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:33,598 INFO L225 Difference]: With dead ends: 801 [2024-11-20 21:37:33,599 INFO L226 Difference]: Without dead ends: 383 [2024-11-20 21:37:33,600 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:37:33,601 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 12 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:33,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1482 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:37:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-20 21:37:33,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 382. [2024-11-20 21:37:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 364 states have (on average 1.4120879120879122) internal successors, (514), 376 states have internal predecessors, (514), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:37:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 530 transitions. [2024-11-20 21:37:33,613 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 530 transitions. Word has length 81 [2024-11-20 21:37:33,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:33,613 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 530 transitions. [2024-11-20 21:37:33,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 530 transitions. [2024-11-20 21:37:33,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-20 21:37:33,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:33,616 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:33,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:37:33,617 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:33,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:33,618 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-20 21:37:33,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:33,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169112458] [2024-11-20 21:37:33,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:33,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:33,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:37:33,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:33,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169112458] [2024-11-20 21:37:33,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169112458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:33,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:33,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:37:33,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532264221] [2024-11-20 21:37:33,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:33,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:37:33,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:33,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:37:33,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:37:33,793 INFO L87 Difference]: Start difference. First operand 382 states and 530 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:33,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:33,887 INFO L93 Difference]: Finished difference Result 1005 states and 1411 transitions. [2024-11-20 21:37:33,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:37:33,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-20 21:37:33,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:33,891 INFO L225 Difference]: With dead ends: 1005 [2024-11-20 21:37:33,891 INFO L226 Difference]: Without dead ends: 631 [2024-11-20 21:37:33,892 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 [2024-11-20 21:37:33,892 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 297 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:33,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1202 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 21:37:33,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-20 21:37:33,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2024-11-20 21:37:33,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 609 states have (on average 1.4269293924466337) internal successors, (869), 621 states have internal predecessors, (869), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:37:33,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 885 transitions. [2024-11-20 21:37:33,910 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 885 transitions. Word has length 81 [2024-11-20 21:37:33,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:33,910 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 885 transitions. [2024-11-20 21:37:33,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 21:37:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 885 transitions. [2024-11-20 21:37:33,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 21:37:33,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:33,912 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:33,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 21:37:33,912 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:33,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:33,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1709174147, now seen corresponding path program 1 times [2024-11-20 21:37:33,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:33,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264012137] [2024-11-20 21:37:33,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:33,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:34,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:37:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:34,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:37:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:37:34,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:34,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264012137] [2024-11-20 21:37:34,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264012137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:34,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:34,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:37:34,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505664908] [2024-11-20 21:37:34,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:34,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:37:34,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:34,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:37:34,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:37:34,158 INFO L87 Difference]: Start difference. First operand 627 states and 885 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:34,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:34,445 INFO L93 Difference]: Finished difference Result 1227 states and 1745 transitions. [2024-11-20 21:37:34,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:37:34,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-20 21:37:34,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:34,449 INFO L225 Difference]: With dead ends: 1227 [2024-11-20 21:37:34,449 INFO L226 Difference]: Without dead ends: 634 [2024-11-20 21:37:34,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:37:34,451 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 7 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:34,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1422 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:37:34,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-20 21:37:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 631. [2024-11-20 21:37:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 613 states have (on average 1.4176182707993474) internal successors, (869), 625 states have internal predecessors, (869), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-20 21:37:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 885 transitions. [2024-11-20 21:37:34,468 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 885 transitions. Word has length 96 [2024-11-20 21:37:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:34,468 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 885 transitions. [2024-11-20 21:37:34,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 885 transitions. [2024-11-20 21:37:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-20 21:37:34,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:34,470 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:34,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 21:37:34,471 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:34,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:34,471 INFO L85 PathProgramCache]: Analyzing trace with hash -22994309, now seen corresponding path program 1 times [2024-11-20 21:37:34,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:34,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389579996] [2024-11-20 21:37:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:34,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:34,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:37:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:34,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:37:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:37:34,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:34,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389579996] [2024-11-20 21:37:34,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389579996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:34,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:34,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:37:34,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305078602] [2024-11-20 21:37:34,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:34,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:37:34,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:37:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:37:34,875 INFO L87 Difference]: Start difference. First operand 631 states and 885 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:35,513 INFO L93 Difference]: Finished difference Result 939 states and 1327 transitions. [2024-11-20 21:37:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:37:35,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-20 21:37:35,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:35,519 INFO L225 Difference]: With dead ends: 939 [2024-11-20 21:37:35,519 INFO L226 Difference]: Without dead ends: 937 [2024-11-20 21:37:35,520 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 [2024-11-20 21:37:35,521 INFO L432 NwaCegarLoop]: 540 mSDtfsCounter, 409 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:35,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1988 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 21:37:35,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-20 21:37:35,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 695. [2024-11-20 21:37:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.4050445103857567) internal successors, (947), 686 states have internal predecessors, (947), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:37:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 969 transitions. [2024-11-20 21:37:35,542 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 969 transitions. Word has length 96 [2024-11-20 21:37:35,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:35,542 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 969 transitions. [2024-11-20 21:37:35,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:35,543 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 969 transitions. [2024-11-20 21:37:35,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-20 21:37:35,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:35,544 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:35,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 21:37:35,544 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:35,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:35,545 INFO L85 PathProgramCache]: Analyzing trace with hash 739927642, now seen corresponding path program 1 times [2024-11-20 21:37:35,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:35,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132436483] [2024-11-20 21:37:35,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:35,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:35,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 21:37:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-20 21:37:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:35,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:37:35,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:35,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132436483] [2024-11-20 21:37:35,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132436483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:37:35,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505191821] [2024-11-20 21:37:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:35,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:35,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:37:35,954 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) [2024-11-20 21:37:35,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 21:37:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:36,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-20 21:37:36,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:37:36,293 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 [2024-11-20 21:37:36,316 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 [2024-11-20 21:37:36,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:37:37,520 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:37:37,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:37:37,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505191821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:37,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:37:37,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-20 21:37:37,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034209986] [2024-11-20 21:37:37,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:37,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:37:37,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:37,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:37:37,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-20 21:37:37,525 INFO L87 Difference]: Start difference. First operand 695 states and 969 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:39,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:39,552 INFO L93 Difference]: Finished difference Result 1585 states and 2236 transitions. [2024-11-20 21:37:39,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:37:39,553 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-20 21:37:39,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:39,557 INFO L225 Difference]: With dead ends: 1585 [2024-11-20 21:37:39,557 INFO L226 Difference]: Without dead ends: 936 [2024-11-20 21:37:39,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-20 21:37:39,559 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 604 mSDsluCounter, 3474 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 4005 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:39,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 4005 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-20 21:37:39,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-20 21:37:39,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 695. [2024-11-20 21:37:39,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.403560830860534) internal successors, (946), 686 states have internal predecessors, (946), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:37:39,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 968 transitions. [2024-11-20 21:37:39,581 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 968 transitions. Word has length 102 [2024-11-20 21:37:39,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:39,581 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 968 transitions. [2024-11-20 21:37:39,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 968 transitions. [2024-11-20 21:37:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-20 21:37:39,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:39,583 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:39,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 21:37:39,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:39,784 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:39,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:39,784 INFO L85 PathProgramCache]: Analyzing trace with hash -789740493, now seen corresponding path program 1 times [2024-11-20 21:37:39,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:39,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780278216] [2024-11-20 21:37:39,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:39,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:40,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-20 21:37:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:40,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 21:37:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:40,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:37:40,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:40,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780278216] [2024-11-20 21:37:40,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780278216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:37:40,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120056394] [2024-11-20 21:37:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:40,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:40,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:37:40,163 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:37:40,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 21:37:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:40,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-20 21:37:40,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:37:40,479 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 [2024-11-20 21:37:40,495 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 [2024-11-20 21:37:40,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:37:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:37:41,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:37:41,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120056394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:41,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:37:41,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-20 21:37:41,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527945036] [2024-11-20 21:37:41,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:41,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 21:37:41,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:41,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 21:37:41,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-20 21:37:41,314 INFO L87 Difference]: Start difference. First operand 695 states and 968 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:42,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:42,685 INFO L93 Difference]: Finished difference Result 1596 states and 2252 transitions. [2024-11-20 21:37:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 21:37:42,686 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2024-11-20 21:37:42,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:42,689 INFO L225 Difference]: With dead ends: 1596 [2024-11-20 21:37:42,690 INFO L226 Difference]: Without dead ends: 952 [2024-11-20 21:37:42,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-20 21:37:42,691 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 683 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2483 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:42,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2483 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 21:37:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-11-20 21:37:42,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 707. [2024-11-20 21:37:42,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 686 states have (on average 1.402332361516035) internal successors, (962), 698 states have internal predecessors, (962), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:37:42,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 984 transitions. [2024-11-20 21:37:42,715 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 984 transitions. Word has length 103 [2024-11-20 21:37:42,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:42,715 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 984 transitions. [2024-11-20 21:37:42,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 984 transitions. [2024-11-20 21:37:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 21:37:42,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:42,716 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:42,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 21:37:42,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:42,917 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:42,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:42,918 INFO L85 PathProgramCache]: Analyzing trace with hash 830006926, now seen corresponding path program 1 times [2024-11-20 21:37:42,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:42,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219388642] [2024-11-20 21:37:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:42,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:43,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:37:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:43,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:37:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:37:43,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:43,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219388642] [2024-11-20 21:37:43,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219388642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:43,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:43,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 21:37:43,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513165075] [2024-11-20 21:37:43,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:43,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 21:37:43,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:43,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 21:37:43,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:37:43,298 INFO L87 Difference]: Start difference. First operand 707 states and 984 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:43,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:43,825 INFO L93 Difference]: Finished difference Result 1367 states and 1922 transitions. [2024-11-20 21:37:43,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:37:43,825 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-20 21:37:43,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:43,828 INFO L225 Difference]: With dead ends: 1367 [2024-11-20 21:37:43,829 INFO L226 Difference]: Without dead ends: 720 [2024-11-20 21:37:43,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 21:37:43,830 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 20 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3036 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:43,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3036 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:37:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-20 21:37:43,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 715. [2024-11-20 21:37:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 694 states have (on average 1.4005763688760806) internal successors, (972), 706 states have internal predecessors, (972), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:37:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 994 transitions. [2024-11-20 21:37:43,851 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 994 transitions. Word has length 104 [2024-11-20 21:37:43,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:43,852 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 994 transitions. [2024-11-20 21:37:43,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 994 transitions. [2024-11-20 21:37:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-20 21:37:43,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:43,855 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:37:43,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 21:37:43,855 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:43,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:43,856 INFO L85 PathProgramCache]: Analyzing trace with hash -647247339, now seen corresponding path program 1 times [2024-11-20 21:37:43,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:43,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847313654] [2024-11-20 21:37:43,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:44,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-20 21:37:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:44,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 21:37:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:37:44,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:44,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847313654] [2024-11-20 21:37:44,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847313654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:44,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:37:44,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 21:37:44,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109749726] [2024-11-20 21:37:44,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:44,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:37:44,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:44,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:37:44,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:37:44,209 INFO L87 Difference]: Start difference. First operand 715 states and 994 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:44,694 INFO L93 Difference]: Finished difference Result 1382 states and 1942 transitions. [2024-11-20 21:37:44,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:37:44,694 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 104 [2024-11-20 21:37:44,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:44,697 INFO L225 Difference]: With dead ends: 1382 [2024-11-20 21:37:44,697 INFO L226 Difference]: Without dead ends: 724 [2024-11-20 21:37:44,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 21:37:44,700 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 15 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:44,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2229 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 21:37:44,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-20 21:37:44,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 721. [2024-11-20 21:37:44,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 700 states have (on average 1.3971428571428572) internal successors, (978), 712 states have internal predecessors, (978), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:37:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1000 transitions. [2024-11-20 21:37:44,720 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1000 transitions. Word has length 104 [2024-11-20 21:37:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:44,721 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1000 transitions. [2024-11-20 21:37:44,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1000 transitions. [2024-11-20 21:37:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-20 21:37:44,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:44,722 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] [2024-11-20 21:37:44,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 21:37:44,722 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:44,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:44,723 INFO L85 PathProgramCache]: Analyzing trace with hash -576009817, now seen corresponding path program 1 times [2024-11-20 21:37:44,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:44,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222614611] [2024-11-20 21:37:44,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:44,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 21:37:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:45,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:37:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:37:45,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:45,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222614611] [2024-11-20 21:37:45,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222614611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:37:45,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557471426] [2024-11-20 21:37:45,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:45,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:45,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:37:45,078 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:37:45,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 21:37:45,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:45,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 21:37:45,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:37:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:37:45,552 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:37:45,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557471426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:37:45,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:37:45,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-20 21:37:45,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58560032] [2024-11-20 21:37:45,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:37:45,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:37:45,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:37:45,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:37:45,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:37:45,554 INFO L87 Difference]: Start difference. First operand 721 states and 1000 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:45,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:37:45,878 INFO L93 Difference]: Finished difference Result 1393 states and 1948 transitions. [2024-11-20 21:37:45,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 21:37:45,879 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-20 21:37:45,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:37:45,882 INFO L225 Difference]: With dead ends: 1393 [2024-11-20 21:37:45,882 INFO L226 Difference]: Without dead ends: 725 [2024-11-20 21:37:45,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-20 21:37:45,884 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 43 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 21:37:45,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2702 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 21:37:45,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-20 21:37:45,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 713. [2024-11-20 21:37:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 692 states have (on average 1.393063583815029) internal successors, (964), 704 states have internal predecessors, (964), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:37:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 986 transitions. [2024-11-20 21:37:45,901 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 986 transitions. Word has length 105 [2024-11-20 21:37:45,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:37:45,901 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 986 transitions. [2024-11-20 21:37:45,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:37:45,902 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 986 transitions. [2024-11-20 21:37:45,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-20 21:37:45,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:37:45,903 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] [2024-11-20 21:37:45,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 21:37:46,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-20 21:37:46,104 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:37:46,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:37:46,104 INFO L85 PathProgramCache]: Analyzing trace with hash 524605648, now seen corresponding path program 1 times [2024-11-20 21:37:46,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:37:46,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97773608] [2024-11-20 21:37:46,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:46,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:37:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:46,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 21:37:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:46,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-20 21:37:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:37:46,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:37:46,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97773608] [2024-11-20 21:37:46,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97773608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:37:46,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779118659] [2024-11-20 21:37:46,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:37:46,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:37:46,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:37:46,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:37:46,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 21:37:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:37:46,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 21:37:47,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:38:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:38:01,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:38:01,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779118659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:38:01,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:38:01,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-20 21:38:01,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138842785] [2024-11-20 21:38:01,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:38:01,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:38:01,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:38:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:38:01,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:38:01,358 INFO L87 Difference]: Start difference. First operand 713 states and 986 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:04,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:38:04,075 INFO L93 Difference]: Finished difference Result 1371 states and 1913 transitions. [2024-11-20 21:38:04,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:38:04,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 105 [2024-11-20 21:38:04,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:38:04,078 INFO L225 Difference]: With dead ends: 1371 [2024-11-20 21:38:04,078 INFO L226 Difference]: Without dead ends: 723 [2024-11-20 21:38:04,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:38:04,080 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 12 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-20 21:38:04,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2681 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-20 21:38:04,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-20 21:38:04,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 713. [2024-11-20 21:38:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 692 states have (on average 1.393063583815029) internal successors, (964), 704 states have internal predecessors, (964), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:38:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 986 transitions. [2024-11-20 21:38:04,098 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 986 transitions. Word has length 105 [2024-11-20 21:38:04,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:38:04,099 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 986 transitions. [2024-11-20 21:38:04,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 986 transitions. [2024-11-20 21:38:04,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-20 21:38:04,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:38:04,100 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:38:04,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 21:38:04,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:38:04,303 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:38:04,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:38:04,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1142157408, now seen corresponding path program 1 times [2024-11-20 21:38:04,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:38:04,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263370000] [2024-11-20 21:38:04,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:04,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:38:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:04,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 21:38:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:04,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 21:38:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:38:04,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:38:04,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263370000] [2024-11-20 21:38:04,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263370000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:38:04,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:38:04,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 21:38:04,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921679123] [2024-11-20 21:38:04,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:38:04,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 21:38:04,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:38:04,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 21:38:04,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-20 21:38:04,855 INFO L87 Difference]: Start difference. First operand 713 states and 986 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:38:05,700 INFO L93 Difference]: Finished difference Result 1396 states and 1951 transitions. [2024-11-20 21:38:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 21:38:05,701 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-20 21:38:05,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:38:05,704 INFO L225 Difference]: With dead ends: 1396 [2024-11-20 21:38:05,704 INFO L226 Difference]: Without dead ends: 748 [2024-11-20 21:38:05,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:38:05,706 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 29 mSDsluCounter, 3889 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 4391 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 21:38:05,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 4391 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 21:38:05,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-20 21:38:05,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 733. [2024-11-20 21:38:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 712 states have (on average 1.3876404494382022) internal successors, (988), 724 states have internal predecessors, (988), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:38:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1010 transitions. [2024-11-20 21:38:05,724 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1010 transitions. Word has length 107 [2024-11-20 21:38:05,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:38:05,724 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1010 transitions. [2024-11-20 21:38:05,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1010 transitions. [2024-11-20 21:38:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-20 21:38:05,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:38:05,725 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:38:05,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 21:38:05,726 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:38:05,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:38:05,726 INFO L85 PathProgramCache]: Analyzing trace with hash 134095492, now seen corresponding path program 1 times [2024-11-20 21:38:05,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:38:05,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113396326] [2024-11-20 21:38:05,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:05,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:38:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:06,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 21:38:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:06,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 21:38:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:38:06,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:38:06,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113396326] [2024-11-20 21:38:06,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113396326] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:38:06,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111490221] [2024-11-20 21:38:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:06,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:38:06,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:38:06,070 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:38:06,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 21:38:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:06,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 21:38:06,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:38:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:38:07,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:38:07,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111490221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:38:07,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:38:07,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-11-20 21:38:07,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179899514] [2024-11-20 21:38:07,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:38:07,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 21:38:07,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:38:07,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 21:38:07,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:38:07,202 INFO L87 Difference]: Start difference. First operand 733 states and 1010 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:08,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:38:08,464 INFO L93 Difference]: Finished difference Result 1421 states and 1976 transitions. [2024-11-20 21:38:08,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 21:38:08,465 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-20 21:38:08,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:38:08,468 INFO L225 Difference]: With dead ends: 1421 [2024-11-20 21:38:08,468 INFO L226 Difference]: Without dead ends: 763 [2024-11-20 21:38:08,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-20 21:38:08,470 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 17 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 21:38:08,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4009 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 21:38:08,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-20 21:38:08,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 757. [2024-11-20 21:38:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 736 states have (on average 1.3831521739130435) internal successors, (1018), 748 states have internal predecessors, (1018), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:38:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1040 transitions. [2024-11-20 21:38:08,495 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1040 transitions. Word has length 107 [2024-11-20 21:38:08,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:38:08,495 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1040 transitions. [2024-11-20 21:38:08,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 10 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1040 transitions. [2024-11-20 21:38:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-20 21:38:08,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:38:08,497 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:38:08,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-20 21:38:08,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:38:08,698 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:38:08,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:38:08,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1880327243, now seen corresponding path program 1 times [2024-11-20 21:38:08,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:38:08,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109917748] [2024-11-20 21:38:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:38:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:08,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-20 21:38:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:08,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 21:38:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:38:08,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:38:08,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109917748] [2024-11-20 21:38:08,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109917748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:38:08,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124637483] [2024-11-20 21:38:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:08,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:38:08,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:38:08,982 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:38:08,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 21:38:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:09,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 21:38:09,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:38:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 21:38:09,847 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:38:09,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124637483] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:38:09,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:38:09,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-20 21:38:09,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887611159] [2024-11-20 21:38:09,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:38:09,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 21:38:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:38:09,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 21:38:09,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:38:09,849 INFO L87 Difference]: Start difference. First operand 757 states and 1040 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:10,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:38:10,246 INFO L93 Difference]: Finished difference Result 1437 states and 1994 transitions. [2024-11-20 21:38:10,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 21:38:10,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-20 21:38:10,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:38:10,250 INFO L225 Difference]: With dead ends: 1437 [2024-11-20 21:38:10,250 INFO L226 Difference]: Without dead ends: 767 [2024-11-20 21:38:10,253 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-20 21:38:10,254 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 10 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 21:38:10,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2681 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 21:38:10,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-11-20 21:38:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 757. [2024-11-20 21:38:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 736 states have (on average 1.3831521739130435) internal successors, (1018), 748 states have internal predecessors, (1018), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 21:38:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1040 transitions. [2024-11-20 21:38:10,270 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1040 transitions. Word has length 107 [2024-11-20 21:38:10,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:38:10,271 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1040 transitions. [2024-11-20 21:38:10,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-20 21:38:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1040 transitions. [2024-11-20 21:38:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-20 21:38:10,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:38:10,272 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:38:10,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-20 21:38:10,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-20 21:38:10,476 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:38:10,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:38:10,477 INFO L85 PathProgramCache]: Analyzing trace with hash -184524378, now seen corresponding path program 1 times [2024-11-20 21:38:10,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:38:10,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515704551] [2024-11-20 21:38:10,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:10,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:38:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:10,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:38:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:10,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-20 21:38:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 21:38:10,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:38:10,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515704551] [2024-11-20 21:38:10,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515704551] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:38:10,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799557358] [2024-11-20 21:38:10,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:10,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:38:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:38:10,777 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:38:10,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 21:38:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:11,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 21:38:11,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:38:11,457 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:38:11,457 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 21:38:11,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799557358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:38:11,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 21:38:11,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-20 21:38:11,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652061974] [2024-11-20 21:38:11,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:38:11,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:38:11,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:38:11,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:38:11,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:38:11,459 INFO L87 Difference]: Start difference. First operand 757 states and 1040 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 21:38:11,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 21:38:11,490 INFO L93 Difference]: Finished difference Result 1390 states and 1928 transitions. [2024-11-20 21:38:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:38:11,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 108 [2024-11-20 21:38:11,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 21:38:11,494 INFO L225 Difference]: With dead ends: 1390 [2024-11-20 21:38:11,494 INFO L226 Difference]: Without dead ends: 760 [2024-11-20 21:38:11,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:38:11,496 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 0 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 21:38:11,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1544 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 21:38:11,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-11-20 21:38:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2024-11-20 21:38:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 738 states have (on average 1.3834688346883468) internal successors, (1021), 751 states have internal predecessors, (1021), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-20 21:38:11,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1045 transitions. [2024-11-20 21:38:11,516 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1045 transitions. Word has length 108 [2024-11-20 21:38:11,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 21:38:11,516 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1045 transitions. [2024-11-20 21:38:11,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 21:38:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1045 transitions. [2024-11-20 21:38:11,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-20 21:38:11,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 21:38:11,518 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:38:11,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 21:38:11,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-20 21:38:11,722 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-20 21:38:11,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:38:11,722 INFO L85 PathProgramCache]: Analyzing trace with hash 525065380, now seen corresponding path program 1 times [2024-11-20 21:38:11,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:38:11,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391177764] [2024-11-20 21:38:11,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:11,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:38:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 21:38:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:12,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 21:38:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 21:38:12,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:38:12,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391177764] [2024-11-20 21:38:12,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391177764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 21:38:12,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258005633] [2024-11-20 21:38:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:38:12,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 21:38:12,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:38:12,190 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 21:38:12,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 21:38:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:38:12,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-20 21:38:12,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 21:38:12,749 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 [2024-11-20 21:38:12,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-20 21:38:12,778 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 [2024-11-20 21:38:12,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-20 21:38:12,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-20 21:38:13,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-20 21:38:13,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-20 21:38:13,079 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-20 21:38:13,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-20 21:38:13,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-20 21:38:13,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-20 21:38:13,298 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-20 21:38:13,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-20 21:38:13,303 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2024-11-20 21:38:48,120 INFO L224 Elim1Store]: Index analysis took 1499 ms