./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:28:02,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:28:02,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:28:02,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:28:02,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:28:02,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:28:02,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:28:02,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:28:02,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:28:02,203 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:28:02,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:28:02,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:28:02,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:28:02,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:28:02,208 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:28:02,208 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:28:02,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:28:02,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:28:02,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:28:02,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:28:02,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:28:02,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:28:02,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:28:02,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:28:02,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:28:02,212 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:28:02,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:28:02,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:28:02,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:28:02,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:28:02,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:28:02,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:28:02,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:28:02,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:28:02,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:28:02,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:28:02,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:28:02,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:28:02,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:28:02,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:28:02,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:28:02,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:28:02,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:28:02,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:28:02,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2024-11-23 01:28:02,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:28:02,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:28:02,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:28:02,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:28:02,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:28:02,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2024-11-23 01:28:03,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:28:03,845 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:28:03,845 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2024-11-23 01:28:03,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5884a5c/12bb22f4a53c44e3834ecae870716aa1/FLAG7c5e6e3b5 [2024-11-23 01:28:04,182 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec5884a5c/12bb22f4a53c44e3834ecae870716aa1 [2024-11-23 01:28:04,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:28:04,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:28:04,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:28:04,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:28:04,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:28:04,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306e0cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04, skipping insertion in model container [2024-11-23 01:28:04,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:28:04,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:28:04,626 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:28:04,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:28:04,734 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:28:04,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04 WrapperNode [2024-11-23 01:28:04,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:28:04,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:28:04,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:28:04,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:28:04,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,842 INFO L138 Inliner]: procedures = 176, calls = 272, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1429 [2024-11-23 01:28:04,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:28:04,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:28:04,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:28:04,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:28:04,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,925 INFO L175 MemorySlicer]: Split 253 memory accesses to 3 slices as follows [2, 34, 217]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-23 01:28:04,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:28:04,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:28:04,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:28:04,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:28:04,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (1/1) ... [2024-11-23 01:28:04,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:28:04,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:05,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 01:28:05,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 01:28:05,048 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-23 01:28:05,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-23 01:28:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:28:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:28:05,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:28:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:28:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:28:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:28:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 01:28:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 01:28:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 01:28:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 01:28:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 01:28:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 01:28:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 01:28:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:28:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:28:05,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:28:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:28:05,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:28:05,232 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:28:05,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:28:06,210 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live. [2024-11-23 01:28:06,210 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:28:06,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:28:06,231 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-23 01:28:06,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:06 BoogieIcfgContainer [2024-11-23 01:28:06,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:28:06,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:28:06,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:28:06,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:28:06,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:28:04" (1/3) ... [2024-11-23 01:28:06,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793d0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:28:06, skipping insertion in model container [2024-11-23 01:28:06,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:28:04" (2/3) ... [2024-11-23 01:28:06,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793d0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:28:06, skipping insertion in model container [2024-11-23 01:28:06,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:28:06" (3/3) ... [2024-11-23 01:28:06,238 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-1.i [2024-11-23 01:28:06,249 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:28:06,249 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-23 01:28:06,306 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:28:06,312 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;@3ebccffb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:28:06,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-23 01:28:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 395 states have (on average 1.6278481012658228) internal successors, (643), 402 states have internal predecessors, (643), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-23 01:28:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 01:28:06,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:06,323 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:06,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:06,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:06,328 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-23 01:28:06,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:06,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308754065] [2024-11-23 01:28:06,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:06,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:28:06,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:06,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308754065] [2024-11-23 01:28:06,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308754065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:06,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:06,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:28:06,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857680171] [2024-11-23 01:28:06,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:06,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 01:28:06,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:06,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 01:28:06,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:28:06,595 INFO L87 Difference]: Start difference. First operand has 409 states, 395 states have (on average 1.6278481012658228) internal successors, (643), 402 states have internal predecessors, (643), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:06,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:06,663 INFO L93 Difference]: Finished difference Result 813 states and 1302 transitions. [2024-11-23 01:28:06,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 01:28:06,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-23 01:28:06,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:06,678 INFO L225 Difference]: With dead ends: 813 [2024-11-23 01:28:06,678 INFO L226 Difference]: Without dead ends: 397 [2024-11-23 01:28:06,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:28:06,686 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:06,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:28:06,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-23 01:28:06,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2024-11-23 01:28:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 387 states have (on average 1.4573643410852712) internal successors, (564), 392 states have internal predecessors, (564), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 01:28:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 570 transitions. [2024-11-23 01:28:06,746 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 570 transitions. Word has length 7 [2024-11-23 01:28:06,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:06,747 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 570 transitions. [2024-11-23 01:28:06,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 570 transitions. [2024-11-23 01:28:06,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-23 01:28:06,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:06,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:06,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:28:06,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:06,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:06,749 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-23 01:28:06,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:06,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64206984] [2024-11-23 01:28:06,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 01:28:06,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545919633] [2024-11-23 01:28:06,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:06,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:06,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:06,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:06,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 01:28:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:06,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-23 01:28:06,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:06,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:28:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:28:06,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:28:06,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:06,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64206984] [2024-11-23 01:28:06,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 01:28:06,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545919633] [2024-11-23 01:28:06,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545919633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:06,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:06,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:28:06,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651022387] [2024-11-23 01:28:06,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:06,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:28:06,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:06,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:28:06,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:28:06,999 INFO L87 Difference]: Start difference. First operand 397 states and 570 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:07,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:07,122 INFO L93 Difference]: Finished difference Result 788 states and 1134 transitions. [2024-11-23 01:28:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:28:07,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-23 01:28:07,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:07,128 INFO L225 Difference]: With dead ends: 788 [2024-11-23 01:28:07,128 INFO L226 Difference]: Without dead ends: 786 [2024-11-23 01:28:07,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:07,130 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 551 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:07,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1722 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:28:07,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-23 01:28:07,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 403. [2024-11-23 01:28:07,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4529262086513994) internal successors, (571), 398 states have internal predecessors, (571), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 01:28:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-23 01:28:07,157 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 7 [2024-11-23 01:28:07,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:07,158 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-23 01:28:07,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-23 01:28:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-23 01:28:07,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:07,163 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] [2024-11-23 01:28:07,171 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 01:28:07,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:07,366 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:07,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash 84879958, now seen corresponding path program 1 times [2024-11-23 01:28:07,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:07,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964491840] [2024-11-23 01:28:07,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:07,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:28:07,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:07,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964491840] [2024-11-23 01:28:07,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964491840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:07,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:07,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:28:07,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172549722] [2024-11-23 01:28:07,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:07,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:28:07,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:07,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:28:07,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:28:07,736 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:07,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:07,830 INFO L93 Difference]: Finished difference Result 973 states and 1404 transitions. [2024-11-23 01:28:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:28:07,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 71 [2024-11-23 01:28:07,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:07,835 INFO L225 Difference]: With dead ends: 973 [2024-11-23 01:28:07,835 INFO L226 Difference]: Without dead ends: 785 [2024-11-23 01:28:07,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:07,837 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 552 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:07,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1641 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:28:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-11-23 01:28:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 403. [2024-11-23 01:28:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.450381679389313) internal successors, (570), 398 states have internal predecessors, (570), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 01:28:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 576 transitions. [2024-11-23 01:28:07,850 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 576 transitions. Word has length 71 [2024-11-23 01:28:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:07,850 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 576 transitions. [2024-11-23 01:28:07,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:07,851 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 576 transitions. [2024-11-23 01:28:07,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 01:28:07,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:07,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:07,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:28:07,855 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:07,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:07,855 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-23 01:28:07,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:07,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062976843] [2024-11-23 01:28:07,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:07,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:28:08,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:08,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062976843] [2024-11-23 01:28:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062976843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:08,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:08,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 01:28:08,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081001460] [2024-11-23 01:28:08,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:08,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 01:28:08,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:08,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 01:28:08,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:08,041 INFO L87 Difference]: Start difference. First operand 403 states and 576 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:08,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:08,106 INFO L93 Difference]: Finished difference Result 801 states and 1147 transitions. [2024-11-23 01:28:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:28:08,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 01:28:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:08,109 INFO L225 Difference]: With dead ends: 801 [2024-11-23 01:28:08,109 INFO L226 Difference]: Without dead ends: 406 [2024-11-23 01:28:08,110 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:08,111 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 102 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:08,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1607 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:28:08,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-23 01:28:08,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2024-11-23 01:28:08,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4325699745547074) internal successors, (563), 398 states have internal predecessors, (563), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 01:28:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 569 transitions. [2024-11-23 01:28:08,118 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 569 transitions. Word has length 81 [2024-11-23 01:28:08,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:08,119 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 569 transitions. [2024-11-23 01:28:08,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 569 transitions. [2024-11-23 01:28:08,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-23 01:28:08,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:08,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:08,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:28:08,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:08,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:08,122 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-23 01:28:08,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860140087] [2024-11-23 01:28:08,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:08,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 01:28:08,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:08,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860140087] [2024-11-23 01:28:08,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860140087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:08,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:08,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:28:08,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559416430] [2024-11-23 01:28:08,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:08,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:28:08,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:08,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:28:08,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:28:08,255 INFO L87 Difference]: Start difference. First operand 403 states and 569 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:08,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:08,322 INFO L93 Difference]: Finished difference Result 1090 states and 1559 transitions. [2024-11-23 01:28:08,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:28:08,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-23 01:28:08,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:08,325 INFO L225 Difference]: With dead ends: 1090 [2024-11-23 01:28:08,325 INFO L226 Difference]: Without dead ends: 695 [2024-11-23 01:28:08,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:28:08,326 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 372 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:08,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1288 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:28:08,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-23 01:28:08,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 692. [2024-11-23 01:28:08,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 682 states have (on average 1.4501466275659824) internal successors, (989), 687 states have internal predecessors, (989), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 01:28:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 995 transitions. [2024-11-23 01:28:08,338 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 995 transitions. Word has length 81 [2024-11-23 01:28:08,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:08,339 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 995 transitions. [2024-11-23 01:28:08,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:28:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 995 transitions. [2024-11-23 01:28:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 01:28:08,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:08,340 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:08,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:28:08,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:08,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:08,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1381456899, now seen corresponding path program 1 times [2024-11-23 01:28:08,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:08,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428259550] [2024-11-23 01:28:08,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:08,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:28:08,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:08,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428259550] [2024-11-23 01:28:08,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428259550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:08,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:08,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:28:08,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339423524] [2024-11-23 01:28:08,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:08,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:28:08,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:08,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:28:08,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:28:08,488 INFO L87 Difference]: Start difference. First operand 692 states and 995 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:08,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:08,522 INFO L93 Difference]: Finished difference Result 1318 states and 1900 transitions. [2024-11-23 01:28:08,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:28:08,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-23 01:28:08,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:08,525 INFO L225 Difference]: With dead ends: 1318 [2024-11-23 01:28:08,525 INFO L226 Difference]: Without dead ends: 704 [2024-11-23 01:28:08,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:28:08,526 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 1 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1092 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:08,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1092 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:28:08,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-23 01:28:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2024-11-23 01:28:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 694 states have (on average 1.442363112391931) internal successors, (1001), 699 states have internal predecessors, (1001), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-23 01:28:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1007 transitions. [2024-11-23 01:28:08,537 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1007 transitions. Word has length 96 [2024-11-23 01:28:08,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:08,538 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 1007 transitions. [2024-11-23 01:28:08,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1007 transitions. [2024-11-23 01:28:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-23 01:28:08,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:08,538 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:08,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:28:08,539 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:08,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:08,539 INFO L85 PathProgramCache]: Analyzing trace with hash 304722939, now seen corresponding path program 1 times [2024-11-23 01:28:08,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:08,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728887583] [2024-11-23 01:28:08,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:08,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:08,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:28:08,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:08,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728887583] [2024-11-23 01:28:08,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728887583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:08,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:08,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:28:08,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318969056] [2024-11-23 01:28:08,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:08,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:28:08,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:08,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:28:08,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:28:08,818 INFO L87 Difference]: Start difference. First operand 704 states and 1007 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:08,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:08,897 INFO L93 Difference]: Finished difference Result 990 states and 1410 transitions. [2024-11-23 01:28:08,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:28:08,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-23 01:28:08,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:08,901 INFO L225 Difference]: With dead ends: 990 [2024-11-23 01:28:08,902 INFO L226 Difference]: Without dead ends: 988 [2024-11-23 01:28:08,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:08,903 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 459 mSDsluCounter, 1120 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:08,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1705 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:28:08,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2024-11-23 01:28:08,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 768. [2024-11-23 01:28:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 755 states have (on average 1.429139072847682) internal successors, (1079), 760 states have internal predecessors, (1079), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 01:28:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1091 transitions. [2024-11-23 01:28:08,918 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1091 transitions. Word has length 96 [2024-11-23 01:28:08,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:08,919 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1091 transitions. [2024-11-23 01:28:08,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:08,919 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1091 transitions. [2024-11-23 01:28:08,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 01:28:08,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:08,920 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:08,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 01:28:08,921 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:08,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:08,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1414518746, now seen corresponding path program 1 times [2024-11-23 01:28:08,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:08,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616429684] [2024-11-23 01:28:08,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:08,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:28:09,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:09,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616429684] [2024-11-23 01:28:09,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616429684] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:09,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782077792] [2024-11-23 01:28:09,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:09,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:09,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:09,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:09,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 01:28:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:09,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-23 01:28:09,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:28:09,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:28:09,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 01:28:09,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-11-23 01:28:09,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 01:28:09,927 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 [2024-11-23 01:28:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:28:10,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:28:10,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782077792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:10,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:28:10,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-23 01:28:10,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383732725] [2024-11-23 01:28:10,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:10,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:28:10,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:10,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:28:10,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:28:10,120 INFO L87 Difference]: Start difference. First operand 768 states and 1091 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:11,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:11,664 INFO L93 Difference]: Finished difference Result 1701 states and 2417 transitions. [2024-11-23 01:28:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 01:28:11,665 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-23 01:28:11,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:11,668 INFO L225 Difference]: With dead ends: 1701 [2024-11-23 01:28:11,672 INFO L226 Difference]: Without dead ends: 1027 [2024-11-23 01:28:11,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:28:11,673 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 816 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 818 SdHoareTripleChecker+Valid, 3642 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:11,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [818 Valid, 3642 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-23 01:28:11,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-11-23 01:28:11,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 800. [2024-11-23 01:28:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 787 states have (on average 1.418043202033037) internal successors, (1116), 792 states have internal predecessors, (1116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 01:28:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1128 transitions. [2024-11-23 01:28:11,691 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1128 transitions. Word has length 102 [2024-11-23 01:28:11,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:11,692 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1128 transitions. [2024-11-23 01:28:11,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1128 transitions. [2024-11-23 01:28:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-23 01:28:11,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:11,693 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:11,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 01:28:11,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-23 01:28:11,894 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:11,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:11,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1237580638, now seen corresponding path program 1 times [2024-11-23 01:28:11,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:11,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235567441] [2024-11-23 01:28:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-23 01:28:12,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:12,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235567441] [2024-11-23 01:28:12,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235567441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:28:12,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:28:12,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:28:12,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362657433] [2024-11-23 01:28:12,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:28:12,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:28:12,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:28:12,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:28:12,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:28:12,010 INFO L87 Difference]: Start difference. First operand 800 states and 1128 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:28:12,073 INFO L93 Difference]: Finished difference Result 1430 states and 2018 transitions. [2024-11-23 01:28:12,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:28:12,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-23 01:28:12,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:28:12,080 INFO L225 Difference]: With dead ends: 1430 [2024-11-23 01:28:12,080 INFO L226 Difference]: Without dead ends: 660 [2024-11-23 01:28:12,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:28:12,081 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 9 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:28:12,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1382 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:28:12,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2024-11-23 01:28:12,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2024-11-23 01:28:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 647 states have (on average 1.4003091190108192) internal successors, (906), 652 states have internal predecessors, (906), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-23 01:28:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 918 transitions. [2024-11-23 01:28:12,096 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 918 transitions. Word has length 102 [2024-11-23 01:28:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:28:12,098 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 918 transitions. [2024-11-23 01:28:12,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:28:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 918 transitions. [2024-11-23 01:28:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 01:28:12,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:28:12,100 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:28:12,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 01:28:12,100 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:28:12,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:28:12,101 INFO L85 PathProgramCache]: Analyzing trace with hash -115149389, now seen corresponding path program 1 times [2024-11-23 01:28:12,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:28:12,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201115773] [2024-11-23 01:28:12,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:12,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:28:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 01:28:12,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:28:12,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201115773] [2024-11-23 01:28:12,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201115773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:28:12,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31885907] [2024-11-23 01:28:12,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:28:12,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:28:12,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:28:12,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 01:28:12,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 01:28:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:28:12,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-23 01:28:12,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:29:20,993 WARN L286 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-23 01:29:34,707 WARN L286 SmtUtils]: Spent 9.31s 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)