./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_FNV_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:16:06,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:16:07,046 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:16:07,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:16:07,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:16:07,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:16:07,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:16:07,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:16:07,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:16:07,086 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:16:07,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:16:07,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:16:07,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:16:07,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:16:07,089 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:16:07,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:16:07,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:16:07,090 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:16:07,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:16:07,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:16:07,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:16:07,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:16:07,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:16:07,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:16:07,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:16:07,095 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:16:07,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:16:07,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:16:07,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:16:07,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:16:07,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:16:07,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:16:07,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:16:07,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:16:07,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:16:07,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:16:07,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:16:07,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:16:07,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:16:07,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:16:07,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:16:07,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:16:07,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:16:07,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:16:07,099 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8fb715e20e93734f29581bef128b7f826b4b5933b157899cd0cb0d668434a9d [2024-10-13 16:16:07,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:16:07,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:16:07,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:16:07,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:16:07,332 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:16:07,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2024-10-13 16:16:08,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:16:08,873 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:16:08,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-2.i [2024-10-13 16:16:08,893 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc9bc6d6/e2d53fcfc7504d05827d9c901b662a4f/FLAG95ec6114b [2024-10-13 16:16:09,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc9bc6d6/e2d53fcfc7504d05827d9c901b662a4f [2024-10-13 16:16:09,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:16:09,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:16:09,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:16:09,184 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:16:09,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:16:09,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:09,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bb8254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09, skipping insertion in model container [2024-10-13 16:16:09,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:09,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:16:09,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:16:09,652 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:16:09,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:16:09,766 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:16:09,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09 WrapperNode [2024-10-13 16:16:09,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:16:09,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:16:09,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:16:09,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:16:09,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:09,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:09,871 INFO L138 Inliner]: procedures = 177, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1595 [2024-10-13 16:16:09,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:16:09,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:16:09,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:16:09,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:16:09,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:09,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:09,899 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,008 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 34, 268]. 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, 4, 58]. [2024-10-13 16:16:10,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:16:10,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:16:10,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:16:10,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:16:10,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (1/1) ... [2024-10-13 16:16:10,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:16:10,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:10,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:16:10,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:16:10,174 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:16:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:16:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:16:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:16:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:16:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:16:10,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:16:10,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:16:10,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:16:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:16:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:16:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:16:10,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:16:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:16:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:16:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:16:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-10-13 16:16:10,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-10-13 16:16:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:16:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:16:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:16:10,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:16:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:16:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:16:10,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:16:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:16:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:16:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:16:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:16:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:16:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:16:10,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:16:10,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:16:10,353 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:16:10,355 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:16:11,590 INFO L? ?]: Removed 366 outVars from TransFormulas that were not future-live. [2024-10-13 16:16:11,590 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:16:11,626 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:16:11,626 INFO L314 CfgBuilder]: Removed 71 assume(true) statements. [2024-10-13 16:16:11,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:16:11 BoogieIcfgContainer [2024-10-13 16:16:11,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:16:11,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:16:11,631 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:16:11,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:16:11,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:16:09" (1/3) ... [2024-10-13 16:16:11,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1164ff8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:16:11, skipping insertion in model container [2024-10-13 16:16:11,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:16:09" (2/3) ... [2024-10-13 16:16:11,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1164ff8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:16:11, skipping insertion in model container [2024-10-13 16:16:11,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:16:11" (3/3) ... [2024-10-13 16:16:11,637 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test8-2.i [2024-10-13 16:16:11,649 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:16:11,650 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:16:11,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:16:11,716 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;@23d37909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:16:11,716 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 16:16:11,722 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) [2024-10-13 16:16:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:16:11,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:11,728 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:16:11,728 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)] === [2024-10-13 16:16:11,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:11,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1925490886, now seen corresponding path program 1 times [2024-10-13 16:16:11,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:11,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703922121] [2024-10-13 16:16:11,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:11,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:16:11,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [685870778] [2024-10-13 16:16:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:11,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:16:11,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:16:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:11,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:16:11,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:16:12,009 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 [2024-10-13 16:16:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:12,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:16:12,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703922121] [2024-10-13 16:16:12,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:16:12,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685870778] [2024-10-13 16:16:12,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685870778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:12,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:12,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:16:12,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740720400] [2024-10-13 16:16:12,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:12,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:16:12,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:12,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:16:12,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:16:12,064 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) [2024-10-13 16:16:12,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:12,248 INFO L93 Difference]: Finished difference Result 1389 states and 2266 transitions. [2024-10-13 16:16:12,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:16:12,251 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 [2024-10-13 16:16:12,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:12,268 INFO L225 Difference]: With dead ends: 1389 [2024-10-13 16:16:12,269 INFO L226 Difference]: Without dead ends: 834 [2024-10-13 16:16:12,277 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 [2024-10-13 16:16:12,283 INFO L432 NwaCegarLoop]: 667 mSDtfsCounter, 603 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:12,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 1997 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:16:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2024-10-13 16:16:12,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 445. [2024-10-13 16:16:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 414 states have (on average 1.4710144927536233) internal successors, (609), 436 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) [2024-10-13 16:16:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 649 transitions. [2024-10-13 16:16:12,350 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 649 transitions. Word has length 6 [2024-10-13 16:16:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:12,351 INFO L471 AbstractCegarLoop]: Abstraction has 445 states and 649 transitions. [2024-10-13 16:16:12,351 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) [2024-10-13 16:16:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 649 transitions. [2024-10-13 16:16:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 16:16:12,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:12,351 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:16:12,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 16:16:12,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-13 16:16:12,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:16:12,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:12,553 INFO L85 PathProgramCache]: Analyzing trace with hash -439324497, now seen corresponding path program 1 times [2024-10-13 16:16:12,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:12,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552939673] [2024-10-13 16:16:12,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:12,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:16:12,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1675607575] [2024-10-13 16:16:12,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:12,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:12,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:12,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:16:12,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:16:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:12,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:16:12,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:16:12,756 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 [2024-10-13 16:16:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:12,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:16:12,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:12,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552939673] [2024-10-13 16:16:12,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:16:12,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675607575] [2024-10-13 16:16:12,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675607575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:12,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:12,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:16:12,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255544218] [2024-10-13 16:16:12,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:12,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:16:12,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:12,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:16:12,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:16:12,774 INFO L87 Difference]: Start difference. First operand 445 states and 649 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:16:12,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:12,892 INFO L93 Difference]: Finished difference Result 834 states and 1212 transitions. [2024-10-13 16:16:12,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:16:12,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 16:16:12,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:12,898 INFO L225 Difference]: With dead ends: 834 [2024-10-13 16:16:12,900 INFO L226 Difference]: Without dead ends: 833 [2024-10-13 16:16:12,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:16:12,902 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 552 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1846 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:12,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1846 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:16:12,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-10-13 16:16:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 446. [2024-10-13 16:16:12,930 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) [2024-10-13 16:16:12,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 650 transitions. [2024-10-13 16:16:12,932 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 650 transitions. Word has length 7 [2024-10-13 16:16:12,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:12,932 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 650 transitions. [2024-10-13 16:16:12,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:16:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 650 transitions. [2024-10-13 16:16:12,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-13 16:16:12,935 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:12,935 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] [2024-10-13 16:16:12,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 16:16:13,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-13 16:16:13,136 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)] === [2024-10-13 16:16:13,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:13,137 INFO L85 PathProgramCache]: Analyzing trace with hash -500427259, now seen corresponding path program 1 times [2024-10-13 16:16:13,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:13,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553699535] [2024-10-13 16:16:13,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:13,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:13,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:13,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553699535] [2024-10-13 16:16:13,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553699535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:13,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:13,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:16:13,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427785798] [2024-10-13 16:16:13,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:13,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:16:13,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:13,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:16:13,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:16:13,532 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) [2024-10-13 16:16:13,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:13,634 INFO L93 Difference]: Finished difference Result 1063 states and 1555 transitions. [2024-10-13 16:16:13,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:16:13,634 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 [2024-10-13 16:16:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:13,637 INFO L225 Difference]: With dead ends: 1063 [2024-10-13 16:16:13,640 INFO L226 Difference]: Without dead ends: 832 [2024-10-13 16:16:13,643 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 [2024-10-13 16:16:13,644 INFO L432 NwaCegarLoop]: 662 mSDtfsCounter, 554 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-10-13 16:16:13,645 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] [2024-10-13 16:16:13,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2024-10-13 16:16:13,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 446. [2024-10-13 16:16:13,666 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) [2024-10-13 16:16:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 649 transitions. [2024-10-13 16:16:13,668 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 649 transitions. Word has length 71 [2024-10-13 16:16:13,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:13,669 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 649 transitions. [2024-10-13 16:16:13,669 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) [2024-10-13 16:16:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 649 transitions. [2024-10-13 16:16:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-13 16:16:13,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:13,673 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] [2024-10-13 16:16:13,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:16:13,674 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)] === [2024-10-13 16:16:13,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1314193712, now seen corresponding path program 1 times [2024-10-13 16:16:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:13,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997499271] [2024-10-13 16:16:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:13,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:13,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:13,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997499271] [2024-10-13 16:16:13,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997499271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:13,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:13,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:16:13,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057997548] [2024-10-13 16:16:13,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:13,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:16:13,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:13,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:16:13,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:16:13,914 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) [2024-10-13 16:16:13,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:13,977 INFO L93 Difference]: Finished difference Result 843 states and 1225 transitions. [2024-10-13 16:16:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:16:13,977 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 [2024-10-13 16:16:13,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:13,979 INFO L225 Difference]: With dead ends: 843 [2024-10-13 16:16:13,979 INFO L226 Difference]: Without dead ends: 404 [2024-10-13 16:16:13,980 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 [2024-10-13 16:16:13,980 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 30 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:13,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1594 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:16:13,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-10-13 16:16:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-10-13 16:16:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 373 states have (on average 1.4262734584450403) internal successors, (532), 395 states have internal predecessors, (532), 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) [2024-10-13 16:16:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 572 transitions. [2024-10-13 16:16:13,989 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 572 transitions. Word has length 82 [2024-10-13 16:16:13,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:13,989 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 572 transitions. [2024-10-13 16:16:13,989 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) [2024-10-13 16:16:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 572 transitions. [2024-10-13 16:16:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-13 16:16:13,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:13,991 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] [2024-10-13 16:16:13,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:16:13,991 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)] === [2024-10-13 16:16:13,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1142056740, now seen corresponding path program 1 times [2024-10-13 16:16:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:13,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323376888] [2024-10-13 16:16:13,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:13,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:16:14,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:14,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323376888] [2024-10-13 16:16:14,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323376888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:14,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:14,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:16:14,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739967270] [2024-10-13 16:16:14,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:14,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:16:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:14,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:16:14,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:16:14,115 INFO L87 Difference]: Start difference. First operand 404 states and 572 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) [2024-10-13 16:16:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:14,195 INFO L93 Difference]: Finished difference Result 1053 states and 1499 transitions. [2024-10-13 16:16:14,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:16:14,195 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 [2024-10-13 16:16:14,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:14,198 INFO L225 Difference]: With dead ends: 1053 [2024-10-13 16:16:14,198 INFO L226 Difference]: Without dead ends: 656 [2024-10-13 16:16:14,199 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 [2024-10-13 16:16:14,199 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 297 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1282 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 [2024-10-13 16:16:14,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1282 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:16:14,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-10-13 16:16:14,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 653. [2024-10-13 16:16:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 621 states have (on average 1.431561996779388) internal successors, (889), 643 states have internal predecessors, (889), 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) [2024-10-13 16:16:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 931 transitions. [2024-10-13 16:16:14,233 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 931 transitions. Word has length 82 [2024-10-13 16:16:14,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:14,234 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 931 transitions. [2024-10-13 16:16:14,234 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) [2024-10-13 16:16:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 931 transitions. [2024-10-13 16:16:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-13 16:16:14,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:14,236 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] [2024-10-13 16:16:14,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:16:14,236 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:16:14,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash -319781861, now seen corresponding path program 1 times [2024-10-13 16:16:14,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:14,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724773062] [2024-10-13 16:16:14,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:14,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:14,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:16:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:14,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:16:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:16:14,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:14,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724773062] [2024-10-13 16:16:14,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724773062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:14,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:14,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:16:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439533455] [2024-10-13 16:16:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:14,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:16:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:16:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:16:14,489 INFO L87 Difference]: Start difference. First operand 653 states and 931 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) [2024-10-13 16:16:14,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:14,873 INFO L93 Difference]: Finished difference Result 757 states and 1090 transitions. [2024-10-13 16:16:14,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:16:14,873 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 [2024-10-13 16:16:14,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:14,878 INFO L225 Difference]: With dead ends: 757 [2024-10-13 16:16:14,878 INFO L226 Difference]: Without dead ends: 755 [2024-10-13 16:16:14,879 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 [2024-10-13 16:16:14,880 INFO L432 NwaCegarLoop]: 487 mSDtfsCounter, 239 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1866 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:14,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1866 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:16:14,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-10-13 16:16:14,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 722. [2024-10-13 16:16:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 685 states have (on average 1.4175182481751825) internal successors, (971), 707 states have internal predecessors, (971), 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) [2024-10-13 16:16:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 1021 transitions. [2024-10-13 16:16:14,902 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 1021 transitions. Word has length 95 [2024-10-13 16:16:14,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:14,904 INFO L471 AbstractCegarLoop]: Abstraction has 722 states and 1021 transitions. [2024-10-13 16:16:14,904 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) [2024-10-13 16:16:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1021 transitions. [2024-10-13 16:16:14,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-10-13 16:16:14,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:14,907 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] [2024-10-13 16:16:14,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:16:14,907 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:16:14,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:14,908 INFO L85 PathProgramCache]: Analyzing trace with hash -527106625, now seen corresponding path program 1 times [2024-10-13 16:16:14,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:14,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570650308] [2024-10-13 16:16:14,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:14,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:16:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:15,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:16:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:15,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 16:16:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:15,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:16:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:16:15,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:15,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570650308] [2024-10-13 16:16:15,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570650308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:15,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:16:15,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:16:15,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008718658] [2024-10-13 16:16:15,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:15,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:16:15,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:15,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:16:15,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:16:15,170 INFO L87 Difference]: Start difference. First operand 722 states and 1021 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) [2024-10-13 16:16:15,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:15,616 INFO L93 Difference]: Finished difference Result 955 states and 1359 transitions. [2024-10-13 16:16:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:16:15,617 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 [2024-10-13 16:16:15,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:15,620 INFO L225 Difference]: With dead ends: 955 [2024-10-13 16:16:15,620 INFO L226 Difference]: Without dead ends: 953 [2024-10-13 16:16:15,620 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 [2024-10-13 16:16:15,621 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 452 mSDsluCounter, 1761 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2227 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:15,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2227 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:16:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2024-10-13 16:16:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 725. [2024-10-13 16:16:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 688 states have (on average 1.4156976744186047) internal successors, (974), 709 states have internal predecessors, (974), 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) [2024-10-13 16:16:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1024 transitions. [2024-10-13 16:16:15,638 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1024 transitions. Word has length 106 [2024-10-13 16:16:15,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:15,638 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 1024 transitions. [2024-10-13 16:16:15,638 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) [2024-10-13 16:16:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1024 transitions. [2024-10-13 16:16:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-13 16:16:15,639 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:15,639 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] [2024-10-13 16:16:15,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:16:15,640 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)] === [2024-10-13 16:16:15,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:15,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1095177690, now seen corresponding path program 1 times [2024-10-13 16:16:15,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:15,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474650101] [2024-10-13 16:16:15,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:15,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:16,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:16:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:16:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 16:16:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:16,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:16:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:16:16,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474650101] [2024-10-13 16:16:16,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474650101] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:16:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875415016] [2024-10-13 16:16:16,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:16,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:16,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:16,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:16:16,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:16:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:16,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-13 16:16:16,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:16:16,369 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 [2024-10-13 16:16:16,385 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 [2024-10-13 16:16:16,401 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 [2024-10-13 16:16:16,789 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 16:16:16,790 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 77 treesize of output 55 [2024-10-13 16:16:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:16:17,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:16:17,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875415016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:16:17,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:16:17,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 15 [2024-10-13 16:16:17,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902194097] [2024-10-13 16:16:17,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:16:17,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:16:17,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:16:17,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:16:17,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-13 16:16:17,076 INFO L87 Difference]: Start difference. First operand 725 states and 1024 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) [2024-10-13 16:16:18,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:16:18,366 INFO L93 Difference]: Finished difference Result 1643 states and 2333 transitions. [2024-10-13 16:16:18,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:16:18,367 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 [2024-10-13 16:16:18,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:16:18,371 INFO L225 Difference]: With dead ends: 1643 [2024-10-13 16:16:18,371 INFO L226 Difference]: Without dead ends: 963 [2024-10-13 16:16:18,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2024-10-13 16:16:18,375 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 603 mSDsluCounter, 2811 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 3347 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 16:16:18,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 3347 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 16:16:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-10-13 16:16:18,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 725. [2024-10-13 16:16:18,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 688 states have (on average 1.4142441860465116) internal successors, (973), 709 states have internal predecessors, (973), 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) [2024-10-13 16:16:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1023 transitions. [2024-10-13 16:16:18,407 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1023 transitions. Word has length 112 [2024-10-13 16:16:18,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:16:18,408 INFO L471 AbstractCegarLoop]: Abstraction has 725 states and 1023 transitions. [2024-10-13 16:16:18,408 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) [2024-10-13 16:16:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1023 transitions. [2024-10-13 16:16:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-13 16:16:18,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:16:18,411 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] [2024-10-13 16:16:18,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 16:16:18,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:18,612 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)] === [2024-10-13 16:16:18,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:16:18,612 INFO L85 PathProgramCache]: Analyzing trace with hash -43409017, now seen corresponding path program 1 times [2024-10-13 16:16:18,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:16:18,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778519555] [2024-10-13 16:16:18,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:18,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:16:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:18,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:16:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:18,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:16:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:18,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 16:16:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:18,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 16:16:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:16:18,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:16:18,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778519555] [2024-10-13 16:16:18,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778519555] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:16:18,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898310586] [2024-10-13 16:16:18,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:16:18,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:16:18,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:16:18,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:16:18,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 16:16:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:16:19,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 16:16:19,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:17:36,919 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 30 DAG size of output: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 16:17:48,158 WARN L286 SmtUtils]: Spent 11.24s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)