./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:28:31,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:28:31,976 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:28:31,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:28:31,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:28:32,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:28:32,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:28:32,010 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:28:32,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:28:32,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:28:32,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:28:32,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:28:32,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:28:32,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:28:32,014 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:28:32,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:28:32,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:28:32,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:28:32,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:28:32,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:28:32,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:28:32,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:28:32,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:28:32,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:28:32,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:28:32,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:28:32,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:28:32,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:28:32,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:28:32,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:28:32,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:28:32,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:28:32,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:28:32,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:28:32,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:28:32,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:28:32,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:28:32,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:28:32,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:28:32,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:28:32,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:28:32,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:28:32,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:28:32,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:28:32,021 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c [2024-10-11 23:28:32,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:28:32,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:28:32,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:28:32,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:28:32,262 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:28:32,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2024-10-11 23:28:33,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:28:33,868 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:28:33,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i [2024-10-11 23:28:33,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bfc503560/129992459c25493c9c285c916cdcacdf/FLAGece92cad1 [2024-10-11 23:28:33,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bfc503560/129992459c25493c9c285c916cdcacdf [2024-10-11 23:28:33,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:28:33,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:28:33,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:28:33,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:28:33,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:28:33,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:28:33" (1/1) ... [2024-10-11 23:28:33,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f577a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:33, skipping insertion in model container [2024-10-11 23:28:33,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:28:33" (1/1) ... [2024-10-11 23:28:33,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:28:34,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:28:34,474 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:28:34,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:28:34,611 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:28:34,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34 WrapperNode [2024-10-11 23:28:34,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:28:34,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:28:34,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:28:34,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:28:34,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,732 INFO L138 Inliner]: procedures = 177, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1595 [2024-10-11 23:28:34,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:28:34,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:28:34,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:28:34,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:28:34,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,913 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]. [2024-10-11 23:28:34,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:34,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:28:34,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:28:34,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:28:34,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:28:34,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (1/1) ... [2024-10-11 23:28:35,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:28:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:35,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:28:35,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:28:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:28:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:28:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:28:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:28:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:28:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:28:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:28:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:28:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:28:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:28:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:28:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:28:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 23:28:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:28:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:28:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 23:28:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-10-11 23:28:35,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-10-11 23:28:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:28:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:28:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:28:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:28:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:28:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:28:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:28:35,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:28:35,279 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:28:35,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:28:36,511 INFO L? ?]: Removed 366 outVars from TransFormulas that were not future-live. [2024-10-11 23:28:36,511 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:28:36,548 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:28:36,549 INFO L314 CfgBuilder]: Removed 71 assume(true) statements. [2024-10-11 23:28:36,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:28:36 BoogieIcfgContainer [2024-10-11 23:28:36,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:28:36,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:28:36,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:28:36,553 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:28:36,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:28:33" (1/3) ... [2024-10-11 23:28:36,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f5f836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:28:36, skipping insertion in model container [2024-10-11 23:28:36,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:28:34" (2/3) ... [2024-10-11 23:28:36,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f5f836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:28:36, skipping insertion in model container [2024-10-11 23:28:36,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:28:36" (3/3) ... [2024-10-11 23:28:36,555 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-2.i [2024-10-11 23:28:36,580 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:28:36,581 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:28:36,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:28:36,646 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;@35bd1cc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:28:36,647 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:28:36,652 INFO L276 IsEmpty]: Start isEmpty. Operand has 481 states, 446 states have (on average 1.641255605381166) internal successors, (732), 471 states have internal predecessors, (732), 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) [2024-10-11 23:28:36,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:28:36,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:36,659 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:28:36,660 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)] === [2024-10-11 23:28:36,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:36,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1925490886, now seen corresponding path program 1 times [2024-10-11 23:28:36,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:36,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130217462] [2024-10-11 23:28:36,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:36,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:28:36,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195492731] [2024-10-11 23:28:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:36,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:36,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:36,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:36,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:28:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:36,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:28:36,965 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:37,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:28:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:37,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:37,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:37,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130217462] [2024-10-11 23:28:37,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:28:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195492731] [2024-10-11 23:28:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195492731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:37,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:37,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:28:37,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199514836] [2024-10-11 23:28:37,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:37,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:37,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:37,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:37,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:37,076 INFO L87 Difference]: Start difference. First operand has 481 states, 446 states have (on average 1.641255605381166) internal successors, (732), 471 states have internal predecessors, (732), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:28:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:37,339 INFO L93 Difference]: Finished difference Result 1388 states and 2266 transitions. [2024-10-11 23:28:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:28:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:28:37,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:37,359 INFO L225 Difference]: With dead ends: 1388 [2024-10-11 23:28:37,359 INFO L226 Difference]: Without dead ends: 833 [2024-10-11 23:28:37,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:28:37,370 INFO L432 NwaCegarLoop]: 668 mSDtfsCounter, 602 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:37,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 1998 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:28:37,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-11 23:28:37,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 446. [2024-10-11 23:28:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 415 states have (on average 1.4698795180722892) internal successors, (610), 437 states have internal predecessors, (610), 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) [2024-10-11 23:28:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 650 transitions. [2024-10-11 23:28:37,459 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 650 transitions. Word has length 6 [2024-10-11 23:28:37,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:37,460 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 650 transitions. [2024-10-11 23:28:37,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:28:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 650 transitions. [2024-10-11 23:28:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 23:28:37,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:37,466 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] [2024-10-11 23:28:37,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:28:37,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-11 23:28:37,668 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)] === [2024-10-11 23:28:37,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:37,669 INFO L85 PathProgramCache]: Analyzing trace with hash -500427259, now seen corresponding path program 1 times [2024-10-11 23:28:37,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:37,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371070447] [2024-10-11 23:28:37,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:37,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:38,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:38,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371070447] [2024-10-11 23:28:38,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371070447] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:38,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:38,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:28:38,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145436633] [2024-10-11 23:28:38,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:38,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:38,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:38,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:38,124 INFO L87 Difference]: Start difference. First operand 446 states and 650 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-10-11 23:28:38,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:38,252 INFO L93 Difference]: Finished difference Result 1063 states and 1555 transitions. [2024-10-11 23:28:38,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:28:38,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 71 [2024-10-11 23:28:38,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:38,261 INFO L225 Difference]: With dead ends: 1063 [2024-10-11 23:28:38,262 INFO L226 Difference]: Without dead ends: 832 [2024-10-11 23:28:38,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:28:38,264 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 554 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 1937 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:38,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 1937 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:38,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-11 23:28:38,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 446. [2024-10-11 23:28:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 415 states have (on average 1.4674698795180723) internal successors, (609), 437 states have internal predecessors, (609), 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) [2024-10-11 23:28:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 649 transitions. [2024-10-11 23:28:38,298 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 649 transitions. Word has length 71 [2024-10-11 23:28:38,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:38,299 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 649 transitions. [2024-10-11 23:28:38,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-10-11 23:28:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 649 transitions. [2024-10-11 23:28:38,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 23:28:38,303 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:38,303 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] [2024-10-11 23:28:38,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:28:38,304 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)] === [2024-10-11 23:28:38,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:38,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1314193712, now seen corresponding path program 1 times [2024-10-11 23:28:38,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:38,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154019543] [2024-10-11 23:28:38,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:38,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:38,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:38,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154019543] [2024-10-11 23:28:38,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154019543] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:38,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:38,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:28:38,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731412555] [2024-10-11 23:28:38,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:38,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:28:38,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:38,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:28:38,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:28:38,508 INFO L87 Difference]: Start difference. First operand 446 states and 649 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-10-11 23:28:38,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:38,610 INFO L93 Difference]: Finished difference Result 888 states and 1294 transitions. [2024-10-11 23:28:38,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:28:38,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 82 [2024-10-11 23:28:38,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:38,613 INFO L225 Difference]: With dead ends: 888 [2024-10-11 23:28:38,613 INFO L226 Difference]: Without dead ends: 449 [2024-10-11 23:28:38,614 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 [2024-10-11 23:28:38,615 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 105 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:38,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1742 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:38,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2024-10-11 23:28:38,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 446. [2024-10-11 23:28:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 415 states have (on average 1.4506024096385541) internal successors, (602), 437 states have internal predecessors, (602), 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) [2024-10-11 23:28:38,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 642 transitions. [2024-10-11 23:28:38,636 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 642 transitions. Word has length 82 [2024-10-11 23:28:38,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:38,636 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 642 transitions. [2024-10-11 23:28:38,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-10-11 23:28:38,637 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 642 transitions. [2024-10-11 23:28:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-11 23:28:38,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:38,644 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] [2024-10-11 23:28:38,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:28:38,644 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)] === [2024-10-11 23:28:38,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:38,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1142056740, now seen corresponding path program 1 times [2024-10-11 23:28:38,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:38,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312610602] [2024-10-11 23:28:38,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:38,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:28:38,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:38,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312610602] [2024-10-11 23:28:38,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312610602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:38,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:38,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:28:38,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74202904] [2024-10-11 23:28:38,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:38,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:28:38,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:38,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:28:38,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:28:38,769 INFO L87 Difference]: Start difference. First operand 446 states and 642 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2024-10-11 23:28:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:38,863 INFO L93 Difference]: Finished difference Result 1179 states and 1709 transitions. [2024-10-11 23:28:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:28:38,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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 82 [2024-10-11 23:28:38,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:38,867 INFO L225 Difference]: With dead ends: 1179 [2024-10-11 23:28:38,867 INFO L226 Difference]: Without dead ends: 740 [2024-10-11 23:28:38,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:28:38,868 INFO L432 NwaCegarLoop]: 824 mSDtfsCounter, 373 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:38,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1434 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:28:38,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-10-11 23:28:38,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 737. [2024-10-11 23:28:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 705 states have (on average 1.4595744680851064) internal successors, (1029), 727 states have internal predecessors, (1029), 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) [2024-10-11 23:28:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1071 transitions. [2024-10-11 23:28:38,884 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1071 transitions. Word has length 82 [2024-10-11 23:28:38,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:38,885 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1071 transitions. [2024-10-11 23:28:38,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 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) [2024-10-11 23:28:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1071 transitions. [2024-10-11 23:28:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-11 23:28:38,886 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:38,886 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:28:38,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:28:38,886 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)] === [2024-10-11 23:28:38,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:38,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1716556287, now seen corresponding path program 1 times [2024-10-11 23:28:38,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:38,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753681261] [2024-10-11 23:28:38,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:39,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:28:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:39,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:28:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:28:39,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:39,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753681261] [2024-10-11 23:28:39,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753681261] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:39,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:39,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:28:39,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451534112] [2024-10-11 23:28:39,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:39,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:28:39,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:39,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:28:39,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:28:39,153 INFO L87 Difference]: Start difference. First operand 737 states and 1071 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-10-11 23:28:39,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:39,647 INFO L93 Difference]: Finished difference Result 841 states and 1230 transitions. [2024-10-11 23:28:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:28:39,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 95 [2024-10-11 23:28:39,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:39,652 INFO L225 Difference]: With dead ends: 841 [2024-10-11 23:28:39,653 INFO L226 Difference]: Without dead ends: 839 [2024-10-11 23:28:39,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:28:39,654 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 315 mSDsluCounter, 1606 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:39,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 2169 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:28:39,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-10-11 23:28:39,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 806. [2024-10-11 23:28:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 769 states have (on average 1.4447334200260078) internal successors, (1111), 791 states have internal predecessors, (1111), 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) [2024-10-11 23:28:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1161 transitions. [2024-10-11 23:28:39,679 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1161 transitions. Word has length 95 [2024-10-11 23:28:39,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:39,681 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1161 transitions. [2024-10-11 23:28:39,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2024-10-11 23:28:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1161 transitions. [2024-10-11 23:28:39,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-11 23:28:39,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:39,685 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:28:39,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:28:39,685 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)] === [2024-10-11 23:28:39,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:39,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1429071525, now seen corresponding path program 1 times [2024-10-11 23:28:39,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:39,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413701195] [2024-10-11 23:28:39,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:39,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:39,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:28:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:28:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:28:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:40,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:28:40,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:40,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413701195] [2024-10-11 23:28:40,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413701195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:40,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:40,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:28:40,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307796670] [2024-10-11 23:28:40,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:40,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:28:40,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:40,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:28:40,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:28:40,021 INFO L87 Difference]: Start difference. First operand 806 states and 1161 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:28:40,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:40,518 INFO L93 Difference]: Finished difference Result 1039 states and 1499 transitions. [2024-10-11 23:28:40,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:28:40,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 3 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 106 [2024-10-11 23:28:40,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:40,522 INFO L225 Difference]: With dead ends: 1039 [2024-10-11 23:28:40,522 INFO L226 Difference]: Without dead ends: 1037 [2024-10-11 23:28:40,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:28:40,523 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 528 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:40,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 2606 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:28:40,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2024-10-11 23:28:40,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 809. [2024-10-11 23:28:40,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 772 states have (on average 1.4430051813471503) internal successors, (1114), 793 states have internal predecessors, (1114), 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) [2024-10-11 23:28:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1164 transitions. [2024-10-11 23:28:40,574 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1164 transitions. Word has length 106 [2024-10-11 23:28:40,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:40,574 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1164 transitions. [2024-10-11 23:28:40,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:28:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1164 transitions. [2024-10-11 23:28:40,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 23:28:40,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:40,580 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:28:40,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:28:40,580 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)] === [2024-10-11 23:28:40,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:40,581 INFO L85 PathProgramCache]: Analyzing trace with hash 776998006, now seen corresponding path program 1 times [2024-10-11 23:28:40,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:40,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556605907] [2024-10-11 23:28:40,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:40,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:41,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:28:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:28:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:41,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:28:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:41,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:28:41,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:41,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556605907] [2024-10-11 23:28:41,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556605907] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:41,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360388519] [2024-10-11 23:28:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:41,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:41,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:41,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:41,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:28:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:41,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-11 23:28:41,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:28:41,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:28:41,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:28:41,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-11 23:28:41,783 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 23:28:41,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 38 [2024-10-11 23:28:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:28:42,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:28:42,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360388519] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:42,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:28:42,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 15 [2024-10-11 23:28:42,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369547919] [2024-10-11 23:28:42,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:42,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:28:42,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:42,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:28:42,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-11 23:28:42,024 INFO L87 Difference]: Start difference. First operand 809 states and 1164 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 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) [2024-10-11 23:28:44,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:44,314 INFO L93 Difference]: Finished difference Result 1808 states and 2598 transitions. [2024-10-11 23:28:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:28:44,315 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 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 112 [2024-10-11 23:28:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:44,318 INFO L225 Difference]: With dead ends: 1808 [2024-10-11 23:28:44,319 INFO L226 Difference]: Without dead ends: 1086 [2024-10-11 23:28:44,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-10-11 23:28:44,321 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 838 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 842 SdHoareTripleChecker+Valid, 3597 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:44,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [842 Valid, 3597 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 989 Invalid, 1 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 23:28:44,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2024-10-11 23:28:44,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 843. [2024-10-11 23:28:44,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 806 states have (on average 1.435483870967742) internal successors, (1157), 827 states have internal predecessors, (1157), 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) [2024-10-11 23:28:44,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1207 transitions. [2024-10-11 23:28:44,347 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1207 transitions. Word has length 112 [2024-10-11 23:28:44,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:44,348 INFO L471 AbstractCegarLoop]: Abstraction has 843 states and 1207 transitions. [2024-10-11 23:28:44,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 10 states have internal predecessors, (102), 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) [2024-10-11 23:28:44,348 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1207 transitions. [2024-10-11 23:28:44,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-11 23:28:44,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:44,349 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:28:44,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:28:44,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:44,554 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)] === [2024-10-11 23:28:44,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:44,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1181576780, now seen corresponding path program 1 times [2024-10-11 23:28:44,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:44,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026861823] [2024-10-11 23:28:44,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:44,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:44,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:28:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:44,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:28:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:44,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 23:28:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:44,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:28:44,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:44,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026861823] [2024-10-11 23:28:44,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026861823] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:28:44,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:28:44,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 23:28:44,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90314165] [2024-10-11 23:28:44,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:28:44,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 23:28:44,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:28:44,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 23:28:44,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:28:44,708 INFO L87 Difference]: Start difference. First operand 843 states and 1207 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:28:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:28:45,101 INFO L93 Difference]: Finished difference Result 1531 states and 2198 transitions. [2024-10-11 23:28:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:28:45,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (4), 3 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 112 [2024-10-11 23:28:45,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:28:45,104 INFO L225 Difference]: With dead ends: 1531 [2024-10-11 23:28:45,104 INFO L226 Difference]: Without dead ends: 717 [2024-10-11 23:28:45,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:28:45,106 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 77 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 2220 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:28:45,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 2220 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:28:45,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-10-11 23:28:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 713. [2024-10-11 23:28:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 676 states have (on average 1.4097633136094674) internal successors, (953), 697 states have internal predecessors, (953), 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) [2024-10-11 23:28:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 1003 transitions. [2024-10-11 23:28:45,125 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 1003 transitions. Word has length 112 [2024-10-11 23:28:45,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:28:45,125 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 1003 transitions. [2024-10-11 23:28:45,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:28:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1003 transitions. [2024-10-11 23:28:45,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-11 23:28:45,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:28:45,127 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:28:45,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:28:45,127 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)] === [2024-10-11 23:28:45,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:28:45,128 INFO L85 PathProgramCache]: Analyzing trace with hash -361588701, now seen corresponding path program 1 times [2024-10-11 23:28:45,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:28:45,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254870261] [2024-10-11 23:28:45,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:45,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:28:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:28:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:28:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 23:28:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-11 23:28:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:28:45,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:28:45,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254870261] [2024-10-11 23:28:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254870261] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:28:45,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631757155] [2024-10-11 23:28:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:28:45,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:28:45,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:28:45,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:28:45,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:28:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:28:46,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 23:28:46,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:29:18,503 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 23:29:30,519 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 23:29:51,447 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 23:30:02,684 WARN L286 SmtUtils]: Spent 11.24s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)