./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:45:28,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:45:28,311 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:45:28,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:45:28,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:45:28,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:45:28,335 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:45:28,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:45:28,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:45:28,336 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:45:28,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:45:28,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:45:28,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:45:28,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:45:28,341 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:45:28,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:45:28,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:45:28,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:45:28,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:45:28,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:45:28,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:45:28,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:45:28,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:45:28,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:45:28,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:45:28,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:45:28,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:45:28,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:45:28,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:45:28,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:45:28,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:45:28,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:45:28,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:45:28,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:45:28,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:45:28,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:45:28,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:45:28,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:45:28,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:45:28,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:45:28,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:45:28,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:45:28,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:45:28,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:45:28,350 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2024-11-19 13:45:28,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:45:28,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:45:28,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:45:28,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:45:28,564 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:45:28,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2024-11-19 13:45:29,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:45:29,985 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:45:29,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2024-11-19 13:45:30,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd505fc16/4a5086bf19ef46759eda581224422466/FLAG573049366 [2024-11-19 13:45:30,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd505fc16/4a5086bf19ef46759eda581224422466 [2024-11-19 13:45:30,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:45:30,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:45:30,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:45:30,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:45:30,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:45:30,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:30,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2bffb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30, skipping insertion in model container [2024-11-19 13:45:30,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:30,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:45:30,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:45:30,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:45:30,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:45:30,895 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:45:30,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30 WrapperNode [2024-11-19 13:45:30,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:45:30,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:45:30,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:45:30,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:45:30,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:30,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:30,994 INFO L138 Inliner]: procedures = 177, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1595 [2024-11-19 13:45:30,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:45:30,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:45:30,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:45:30,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:45:31,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,015 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,081 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 268, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-11-19 13:45:31,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:45:31,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:45:31,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:45:31,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:45:31,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (1/1) ... [2024-11-19 13:45:31,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:45:31,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:45:31,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:45:31,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:45:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 13:45:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 13:45:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:45:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:45:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:45:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:45:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:45:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:45:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:45:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:45:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:45:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:45:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 13:45:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:45:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:45:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 13:45:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-19 13:45:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-19 13:45:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:45:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:45:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:45:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:45:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:45:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:45:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:45:31,402 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:45:31,404 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:45:32,565 INFO L? ?]: Removed 366 outVars from TransFormulas that were not future-live. [2024-11-19 13:45:32,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:45:32,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:45:32,593 INFO L316 CfgBuilder]: Removed 71 assume(true) statements. [2024-11-19 13:45:32,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:45:32 BoogieIcfgContainer [2024-11-19 13:45:32,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:45:32,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:45:32,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:45:32,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:45:32,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:45:30" (1/3) ... [2024-11-19 13:45:32,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb1d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:45:32, skipping insertion in model container [2024-11-19 13:45:32,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:45:30" (2/3) ... [2024-11-19 13:45:32,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb1d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:45:32, skipping insertion in model container [2024-11-19 13:45:32,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:45:32" (3/3) ... [2024-11-19 13:45:32,600 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-2.i [2024-11-19 13:45:32,612 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:45:32,612 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 13:45:32,671 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:45:32,676 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;@40aa96d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:45:32,676 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:45:32,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 453 states have (on average 1.6313465783664458) internal successors, (739), 478 states have internal predecessors, (739), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 13:45:32,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:45:32,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:32,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:32,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:32,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:32,687 INFO L85 PathProgramCache]: Analyzing trace with hash -148890198, now seen corresponding path program 1 times [2024-11-19 13:45:32,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:32,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770229046] [2024-11-19 13:45:32,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:32,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:45:32,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151622599] [2024-11-19 13:45:32,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:32,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:32,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:45:32,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:45:32,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:45:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:32,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 13:45:32,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:45:32,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:45:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:45:33,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:45:33,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:33,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770229046] [2024-11-19 13:45:33,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:45:33,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151622599] [2024-11-19 13:45:33,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151622599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:33,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:33,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:45:33,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965343965] [2024-11-19 13:45:33,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:33,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:45:33,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:33,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:45:33,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:45:33,033 INFO L87 Difference]: Start difference. First operand has 488 states, 453 states have (on average 1.6313465783664458) internal successors, (739), 478 states have internal predecessors, (739), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:33,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:33,240 INFO L93 Difference]: Finished difference Result 1403 states and 2281 transitions. [2024-11-19 13:45:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:45:33,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 13:45:33,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:33,259 INFO L225 Difference]: With dead ends: 1403 [2024-11-19 13:45:33,259 INFO L226 Difference]: Without dead ends: 838 [2024-11-19 13:45:33,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:45:33,265 INFO L432 NwaCegarLoop]: 679 mSDtfsCounter, 604 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:33,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 2027 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:45:33,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-19 13:45:33,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 450. [2024-11-19 13:45:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4653937947494033) internal successors, (614), 441 states have internal predecessors, (614), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 13:45:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 654 transitions. [2024-11-19 13:45:33,318 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 654 transitions. Word has length 7 [2024-11-19 13:45:33,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:33,319 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 654 transitions. [2024-11-19 13:45:33,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 654 transitions. [2024-11-19 13:45:33,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 13:45:33,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:33,324 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] [2024-11-19 13:45:33,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:45:33,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 13:45:33,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:33,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:33,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1563712929, now seen corresponding path program 1 times [2024-11-19 13:45:33,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:33,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071625812] [2024-11-19 13:45:33,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:33,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:33,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:45:33,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:33,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071625812] [2024-11-19 13:45:33,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071625812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:33,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:33,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:45:33,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870411370] [2024-11-19 13:45:33,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:33,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:45:33,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:33,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:45:33,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:45:33,908 INFO L87 Difference]: Start difference. First operand 450 states and 654 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:34,028 INFO L93 Difference]: Finished difference Result 1069 states and 1561 transitions. [2024-11-19 13:45:34,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:45:34,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-19 13:45:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:34,035 INFO L225 Difference]: With dead ends: 1069 [2024-11-19 13:45:34,036 INFO L226 Difference]: Without dead ends: 837 [2024-11-19 13:45:34,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:45:34,039 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 555 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:34,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1870 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:45:34,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-19 13:45:34,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 450. [2024-11-19 13:45:34,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4630071599045347) internal successors, (613), 441 states have internal predecessors, (613), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 13:45:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 653 transitions. [2024-11-19 13:45:34,069 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 653 transitions. Word has length 72 [2024-11-19 13:45:34,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:34,069 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 653 transitions. [2024-11-19 13:45:34,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:34,070 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 653 transitions. [2024-11-19 13:45:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 13:45:34,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:34,072 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:34,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:45:34,072 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:34,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:34,073 INFO L85 PathProgramCache]: Analyzing trace with hash 325787668, now seen corresponding path program 1 times [2024-11-19 13:45:34,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:34,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050882472] [2024-11-19 13:45:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:45:34,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:34,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050882472] [2024-11-19 13:45:34,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050882472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:34,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:34,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:45:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74741109] [2024-11-19 13:45:34,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:34,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:45:34,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:45:34,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:45:34,274 INFO L87 Difference]: Start difference. First operand 450 states and 653 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:34,347 INFO L93 Difference]: Finished difference Result 895 states and 1301 transitions. [2024-11-19 13:45:34,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:45:34,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-19 13:45:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:34,349 INFO L225 Difference]: With dead ends: 895 [2024-11-19 13:45:34,349 INFO L226 Difference]: Without dead ends: 453 [2024-11-19 13:45:34,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:45:34,353 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 105 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:34,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1764 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:45:34,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-19 13:45:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-19 13:45:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4463007159904535) internal successors, (606), 441 states have internal predecessors, (606), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 13:45:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 646 transitions. [2024-11-19 13:45:34,367 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 646 transitions. Word has length 83 [2024-11-19 13:45:34,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:34,367 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 646 transitions. [2024-11-19 13:45:34,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:34,367 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 646 transitions. [2024-11-19 13:45:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 13:45:34,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:34,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:34,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:45:34,370 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:34,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:34,370 INFO L85 PathProgramCache]: Analyzing trace with hash 153650696, now seen corresponding path program 1 times [2024-11-19 13:45:34,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:34,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047673940] [2024-11-19 13:45:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:34,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:45:34,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:34,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047673940] [2024-11-19 13:45:34,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047673940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:34,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:34,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:45:34,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206092611] [2024-11-19 13:45:34,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:34,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:45:34,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:34,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:45:34,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:45:34,509 INFO L87 Difference]: Start difference. First operand 450 states and 646 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:34,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:34,579 INFO L93 Difference]: Finished difference Result 1186 states and 1716 transitions. [2024-11-19 13:45:34,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:45:34,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-19 13:45:34,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:34,582 INFO L225 Difference]: With dead ends: 1186 [2024-11-19 13:45:34,582 INFO L226 Difference]: Without dead ends: 744 [2024-11-19 13:45:34,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:45:34,585 INFO L432 NwaCegarLoop]: 825 mSDtfsCounter, 373 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:34,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1442 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:45:34,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-19 13:45:34,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 741. [2024-11-19 13:45:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 709 states have (on average 1.456981664315938) internal successors, (1033), 731 states have internal predecessors, (1033), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 13:45:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1075 transitions. [2024-11-19 13:45:34,599 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1075 transitions. Word has length 83 [2024-11-19 13:45:34,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:34,599 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1075 transitions. [2024-11-19 13:45:34,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:45:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1075 transitions. [2024-11-19 13:45:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 13:45:34,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:34,600 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:34,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:45:34,601 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:34,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:34,601 INFO L85 PathProgramCache]: Analyzing trace with hash -959379129, now seen corresponding path program 1 times [2024-11-19 13:45:34,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:34,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366878793] [2024-11-19 13:45:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:34,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:45:34,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:34,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366878793] [2024-11-19 13:45:34,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366878793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:34,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:34,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:45:34,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954423905] [2024-11-19 13:45:34,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:34,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:45:34,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:34,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:45:34,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:45:34,809 INFO L87 Difference]: Start difference. First operand 741 states and 1075 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:45:34,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:34,895 INFO L93 Difference]: Finished difference Result 842 states and 1225 transitions. [2024-11-19 13:45:34,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:45:34,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-19 13:45:34,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:34,900 INFO L225 Difference]: With dead ends: 842 [2024-11-19 13:45:34,900 INFO L226 Difference]: Without dead ends: 840 [2024-11-19 13:45:34,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:45:34,901 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 224 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:34,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1873 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:45:34,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-19 13:45:34,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 811. [2024-11-19 13:45:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 774 states have (on average 1.441860465116279) internal successors, (1116), 796 states have internal predecessors, (1116), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:45:34,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1166 transitions. [2024-11-19 13:45:34,917 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1166 transitions. Word has length 98 [2024-11-19 13:45:34,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:34,917 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1166 transitions. [2024-11-19 13:45:34,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:45:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1166 transitions. [2024-11-19 13:45:34,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 13:45:34,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:34,918 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:34,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:45:34,919 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:34,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1717850937, now seen corresponding path program 1 times [2024-11-19 13:45:34,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:34,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102242020] [2024-11-19 13:45:34,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:34,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:45:35,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:35,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102242020] [2024-11-19 13:45:35,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102242020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:35,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:35,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:45:35,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683018379] [2024-11-19 13:45:35,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:35,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:45:35,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:35,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:45:35,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:45:35,169 INFO L87 Difference]: Start difference. First operand 811 states and 1166 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:35,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:35,251 INFO L93 Difference]: Finished difference Result 1041 states and 1495 transitions. [2024-11-19 13:45:35,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:45:35,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 111 [2024-11-19 13:45:35,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:35,255 INFO L225 Difference]: With dead ends: 1041 [2024-11-19 13:45:35,255 INFO L226 Difference]: Without dead ends: 1039 [2024-11-19 13:45:35,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:45:35,256 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 460 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:35,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1848 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:45:35,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-19 13:45:35,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 815. [2024-11-19 13:45:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 778 states have (on average 1.4395886889460154) internal successors, (1120), 799 states have internal predecessors, (1120), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:45:35,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1170 transitions. [2024-11-19 13:45:35,275 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1170 transitions. Word has length 111 [2024-11-19 13:45:35,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:35,276 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1170 transitions. [2024-11-19 13:45:35,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1170 transitions. [2024-11-19 13:45:35,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 13:45:35,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:35,277 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:35,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:45:35,277 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:35,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:35,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1484759326, now seen corresponding path program 1 times [2024-11-19 13:45:35,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:35,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098434722] [2024-11-19 13:45:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:35,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:45:35,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:35,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098434722] [2024-11-19 13:45:35,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098434722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:45:35,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853506411] [2024-11-19 13:45:35,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:35,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:35,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:45:35,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:45:35,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:45:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:35,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 13:45:35,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:45:35,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:45:35,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:45:35,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:45:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:45:36,494 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:45:36,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853506411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:36,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:45:36,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:45:36,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159230328] [2024-11-19 13:45:36,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:36,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:45:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:36,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:45:36,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:45:36,495 INFO L87 Difference]: Start difference. First operand 815 states and 1170 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:45:37,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:37,860 INFO L93 Difference]: Finished difference Result 1815 states and 2603 transitions. [2024-11-19 13:45:37,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:45:37,860 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2024-11-19 13:45:37,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:37,864 INFO L225 Difference]: With dead ends: 1815 [2024-11-19 13:45:37,864 INFO L226 Difference]: Without dead ends: 1088 [2024-11-19 13:45:37,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:45:37,866 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 822 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 3624 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:37,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 3624 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 13:45:37,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-19 13:45:37,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 841. [2024-11-19 13:45:37,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 804 states have (on average 1.431592039800995) internal successors, (1151), 825 states have internal predecessors, (1151), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:45:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1201 transitions. [2024-11-19 13:45:37,887 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1201 transitions. Word has length 117 [2024-11-19 13:45:37,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:37,888 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1201 transitions. [2024-11-19 13:45:37,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:45:37,888 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1201 transitions. [2024-11-19 13:45:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 13:45:37,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:37,889 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:37,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:45:38,090 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,SelfDestructingSolverStorable6 [2024-11-19 13:45:38,090 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:38,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:38,090 INFO L85 PathProgramCache]: Analyzing trace with hash 400899271, now seen corresponding path program 1 times [2024-11-19 13:45:38,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:38,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262470860] [2024-11-19 13:45:38,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:38,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:45:38,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:38,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262470860] [2024-11-19 13:45:38,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262470860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:45:38,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143534134] [2024-11-19 13:45:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:38,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:38,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:45:38,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:45:38,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:45:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:38,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-19 13:45:38,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:45:38,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:45:38,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:45:38,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:45:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:45:39,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:45:39,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143534134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:39,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:45:39,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 14 [2024-11-19 13:45:39,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133334155] [2024-11-19 13:45:39,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:39,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 13:45:39,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:39,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 13:45:39,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-19 13:45:39,252 INFO L87 Difference]: Start difference. First operand 841 states and 1201 transitions. Second operand has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:45:44,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:45:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:45,737 INFO L93 Difference]: Finished difference Result 1863 states and 2667 transitions. [2024-11-19 13:45:45,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-19 13:45:45,738 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 118 [2024-11-19 13:45:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:45,741 INFO L225 Difference]: With dead ends: 1863 [2024-11-19 13:45:45,741 INFO L226 Difference]: Without dead ends: 1141 [2024-11-19 13:45:45,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-19 13:45:45,745 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 885 mSDsluCounter, 4086 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 4700 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:45,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 4700 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1348 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2024-11-19 13:45:45,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-19 13:45:45,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 877. [2024-11-19 13:45:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 840 states have (on average 1.425) internal successors, (1197), 861 states have internal predecessors, (1197), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:45:45,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1247 transitions. [2024-11-19 13:45:45,766 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1247 transitions. Word has length 118 [2024-11-19 13:45:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:45,766 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1247 transitions. [2024-11-19 13:45:45,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.916666666666666) internal successors, (107), 12 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:45:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1247 transitions. [2024-11-19 13:45:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 13:45:45,767 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:45,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:45,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 13:45:45,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:45,968 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:45,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:45,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1794896914, now seen corresponding path program 1 times [2024-11-19 13:45:45,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:45,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171806094] [2024-11-19 13:45:45,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:45,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:45:46,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:46,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171806094] [2024-11-19 13:45:46,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171806094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:46,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:46,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:45:46,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066115732] [2024-11-19 13:45:46,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:46,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:45:46,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:46,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:45:46,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:45:46,235 INFO L87 Difference]: Start difference. First operand 877 states and 1247 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:46,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:46,644 INFO L93 Difference]: Finished difference Result 1659 states and 2370 transitions. [2024-11-19 13:45:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:45:46,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-11-19 13:45:46,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:46,647 INFO L225 Difference]: With dead ends: 1659 [2024-11-19 13:45:46,648 INFO L226 Difference]: Without dead ends: 911 [2024-11-19 13:45:46,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:45:46,649 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 14 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:46,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 3097 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:45:46,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-19 13:45:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 905. [2024-11-19 13:45:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 868 states have (on average 1.4262672811059909) internal successors, (1238), 889 states have internal predecessors, (1238), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:45:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1288 transitions. [2024-11-19 13:45:46,665 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1288 transitions. Word has length 119 [2024-11-19 13:45:46,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:46,666 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1288 transitions. [2024-11-19 13:45:46,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:46,666 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1288 transitions. [2024-11-19 13:45:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 13:45:46,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:46,667 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:46,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:45:46,667 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:46,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:46,668 INFO L85 PathProgramCache]: Analyzing trace with hash 377145735, now seen corresponding path program 1 times [2024-11-19 13:45:46,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:46,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652725689] [2024-11-19 13:45:46,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:46,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:45:46,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:46,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652725689] [2024-11-19 13:45:46,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652725689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:46,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:45:46,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:45:46,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052441799] [2024-11-19 13:45:46,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:46,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:45:46,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:46,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:45:46,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:45:46,914 INFO L87 Difference]: Start difference. First operand 905 states and 1288 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:47,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:47,216 INFO L93 Difference]: Finished difference Result 1685 states and 2407 transitions. [2024-11-19 13:45:47,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:45:47,217 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-11-19 13:45:47,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:47,220 INFO L225 Difference]: With dead ends: 1685 [2024-11-19 13:45:47,220 INFO L226 Difference]: Without dead ends: 911 [2024-11-19 13:45:47,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:45:47,222 INFO L432 NwaCegarLoop]: 631 mSDtfsCounter, 9 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2142 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:47,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2142 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:45:47,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-19 13:45:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2024-11-19 13:45:47,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 874 states have (on average 1.4233409610983982) internal successors, (1244), 895 states have internal predecessors, (1244), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:45:47,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1294 transitions. [2024-11-19 13:45:47,241 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1294 transitions. Word has length 119 [2024-11-19 13:45:47,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:47,241 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1294 transitions. [2024-11-19 13:45:47,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:47,241 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1294 transitions. [2024-11-19 13:45:47,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 13:45:47,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:47,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:47,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:45:47,242 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:47,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:47,242 INFO L85 PathProgramCache]: Analyzing trace with hash -931119853, now seen corresponding path program 1 times [2024-11-19 13:45:47,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:47,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722173603] [2024-11-19 13:45:47,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:47,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:45:47,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:47,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722173603] [2024-11-19 13:45:47,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722173603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:45:47,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004297794] [2024-11-19 13:45:47,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:47,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:45:47,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:45:47,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:45:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:47,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:45:47,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:45:47,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:45:47,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:45:47,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004297794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:47,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:45:47,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:45:47,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014584158] [2024-11-19 13:45:47,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:47,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:45:47,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:47,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:45:47,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:45:47,838 INFO L87 Difference]: Start difference. First operand 911 states and 1294 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:45:48,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:48,232 INFO L93 Difference]: Finished difference Result 1715 states and 2446 transitions. [2024-11-19 13:45:48,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:45:48,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 120 [2024-11-19 13:45:48,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:48,235 INFO L225 Difference]: With dead ends: 1715 [2024-11-19 13:45:48,235 INFO L226 Difference]: Without dead ends: 931 [2024-11-19 13:45:48,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:45:48,237 INFO L432 NwaCegarLoop]: 622 mSDtfsCounter, 43 mSDsluCounter, 2578 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:48,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 3200 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 13:45:48,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2024-11-19 13:45:48,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 907. [2024-11-19 13:45:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 870 states have (on average 1.42183908045977) internal successors, (1237), 891 states have internal predecessors, (1237), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:45:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1287 transitions. [2024-11-19 13:45:48,259 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1287 transitions. Word has length 120 [2024-11-19 13:45:48,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:48,259 INFO L471 AbstractCegarLoop]: Abstraction has 907 states and 1287 transitions. [2024-11-19 13:45:48,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:45:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1287 transitions. [2024-11-19 13:45:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 13:45:48,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:48,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:48,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 13:45:48,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:48,461 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:48,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:48,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1945970998, now seen corresponding path program 1 times [2024-11-19 13:45:48,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:48,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468015829] [2024-11-19 13:45:48,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:48,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:45:48,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:48,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468015829] [2024-11-19 13:45:48,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468015829] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:45:48,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681070687] [2024-11-19 13:45:48,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:48,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:48,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:45:48,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:45:48,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:45:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:49,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 13:45:49,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:45:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:45:49,363 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:45:49,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681070687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:45:49,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:45:49,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-19 13:45:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325418467] [2024-11-19 13:45:49,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:45:49,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:45:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:45:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:45:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:45:49,368 INFO L87 Difference]: Start difference. First operand 907 states and 1287 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:49,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:45:49,404 INFO L93 Difference]: Finished difference Result 1636 states and 2330 transitions. [2024-11-19 13:45:49,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:45:49,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 120 [2024-11-19 13:45:49,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:45:49,408 INFO L225 Difference]: With dead ends: 1636 [2024-11-19 13:45:49,408 INFO L226 Difference]: Without dead ends: 913 [2024-11-19 13:45:49,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:45:49,411 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 0 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1907 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:45:49,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1907 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:45:49,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-11-19 13:45:49,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 913. [2024-11-19 13:45:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 874 states have (on average 1.4221967963386728) internal successors, (1243), 897 states have internal predecessors, (1243), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-19 13:45:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1295 transitions. [2024-11-19 13:45:49,430 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1295 transitions. Word has length 120 [2024-11-19 13:45:49,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:45:49,431 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1295 transitions. [2024-11-19 13:45:49,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:45:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1295 transitions. [2024-11-19 13:45:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 13:45:49,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:45:49,432 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:45:49,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 13:45:49,632 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,SelfDestructingSolverStorable11 [2024-11-19 13:45:49,633 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:45:49,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:45:49,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1953870476, now seen corresponding path program 1 times [2024-11-19 13:45:49,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:45:49,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896902728] [2024-11-19 13:45:49,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:49,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:45:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:45:49,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:45:49,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896902728] [2024-11-19 13:45:49,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896902728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:45:49,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621201600] [2024-11-19 13:45:49,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:45:49,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:45:49,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:45:49,887 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:45:49,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 13:45:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:45:50,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 13:45:50,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:46:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 13:46:01,562 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:46:01,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621201600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:46:01,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:46:01,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-19 13:46:01,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797900415] [2024-11-19 13:46:01,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:46:01,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:46:01,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:46:01,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:46:01,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:46:01,564 INFO L87 Difference]: Start difference. First operand 913 states and 1295 transitions. Second operand has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:46:04,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-19 13:46:04,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:46:04,929 INFO L93 Difference]: Finished difference Result 1692 states and 2409 transitions. [2024-11-19 13:46:04,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:46:04,929 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 122 [2024-11-19 13:46:04,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:46:04,932 INFO L225 Difference]: With dead ends: 1692 [2024-11-19 13:46:04,932 INFO L226 Difference]: Without dead ends: 923 [2024-11-19 13:46:04,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:46:04,934 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 12 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3105 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:46:04,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3105 Invalid, 772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-19 13:46:04,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-11-19 13:46:04,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 913. [2024-11-19 13:46:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 874 states have (on average 1.4221967963386728) internal successors, (1243), 897 states have internal predecessors, (1243), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-19 13:46:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1295 transitions. [2024-11-19 13:46:04,953 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1295 transitions. Word has length 122 [2024-11-19 13:46:04,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:46:04,953 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1295 transitions. [2024-11-19 13:46:04,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:46:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1295 transitions. [2024-11-19 13:46:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 13:46:04,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:46:04,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:46:04,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 13:46:05,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:46:05,157 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:46:05,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:46:05,157 INFO L85 PathProgramCache]: Analyzing trace with hash -101502468, now seen corresponding path program 1 times [2024-11-19 13:46:05,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:46:05,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821419212] [2024-11-19 13:46:05,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:46:05,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:46:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:46:05,541 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 13:46:05,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:46:05,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821419212] [2024-11-19 13:46:05,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821419212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:46:05,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:46:05,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:46:05,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250889846] [2024-11-19 13:46:05,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:46:05,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:46:05,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:46:05,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:46:05,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:46:05,544 INFO L87 Difference]: Start difference. First operand 913 states and 1295 transitions. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:46:06,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:46:06,065 INFO L93 Difference]: Finished difference Result 1714 states and 2438 transitions. [2024-11-19 13:46:06,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:46:06,065 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 124 [2024-11-19 13:46:06,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:46:06,068 INFO L225 Difference]: With dead ends: 1714 [2024-11-19 13:46:06,068 INFO L226 Difference]: Without dead ends: 945 [2024-11-19 13:46:06,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 13:46:06,069 INFO L432 NwaCegarLoop]: 627 mSDtfsCounter, 26 mSDsluCounter, 3063 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3690 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 13:46:06,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3690 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 13:46:06,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2024-11-19 13:46:06,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 933. [2024-11-19 13:46:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 894 states have (on average 1.4172259507829978) internal successors, (1267), 917 states have internal predecessors, (1267), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-19 13:46:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1319 transitions. [2024-11-19 13:46:06,085 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1319 transitions. Word has length 124 [2024-11-19 13:46:06,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:46:06,085 INFO L471 AbstractCegarLoop]: Abstraction has 933 states and 1319 transitions. [2024-11-19 13:46:06,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:46:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1319 transitions. [2024-11-19 13:46:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 13:46:06,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:46:06,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:46:06,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:46:06,087 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:46:06,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:46:06,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1744094104, now seen corresponding path program 1 times [2024-11-19 13:46:06,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:46:06,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505645721] [2024-11-19 13:46:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:46:06,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:46:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:46:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:46:06,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:46:06,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505645721] [2024-11-19 13:46:06,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505645721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:46:06,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902131336] [2024-11-19 13:46:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:46:06,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:46:06,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:46:06,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:46:06,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 13:46:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:46:06,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-19 13:46:06,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:46:06,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 13:46:06,996 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-19 13:46:06,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-19 13:46:07,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-19 13:46:07,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-19 13:46:07,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-19 13:46:07,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2024-11-19 13:46:07,140 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-19 13:46:07,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 57 [2024-11-19 13:46:07,146 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