./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.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_OAT_nondet_test2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 01:29:09,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 01:29:09,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 01:29:09,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 01:29:09,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 01:29:09,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 01:29:09,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 01:29:09,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 01:29:09,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 01:29:09,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 01:29:09,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 01:29:09,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 01:29:09,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 01:29:09,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 01:29:09,960 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 01:29:09,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 01:29:09,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 01:29:09,961 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 01:29:09,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 01:29:09,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 01:29:09,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 01:29:09,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 01:29:09,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 01:29:09,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 01:29:09,963 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 01:29:09,963 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 01:29:09,963 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 01:29:09,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 01:29:09,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 01:29:09,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 01:29:09,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 01:29:09,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 01:29:09,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 01:29:09,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 01:29:09,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:29:09,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 01:29:09,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 01:29:09,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 01:29:09,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 01:29:09,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 01:29:09,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 01:29:09,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 01:29:09,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 01:29:09,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 01:29:09,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fdcb64865aeb8184805095bc8dbe7392078d445cf902388dac9d1ca4533bb8c [2024-11-23 01:29:10,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 01:29:10,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 01:29:10,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 01:29:10,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 01:29:10,195 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 01:29:10,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i [2024-11-23 01:29:11,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 01:29:11,742 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 01:29:11,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test2-2.i [2024-11-23 01:29:11,761 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15792a885/0ccc0dace52c4da2873cb2491b5e5eae/FLAG3d743c2d7 [2024-11-23 01:29:12,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15792a885/0ccc0dace52c4da2873cb2491b5e5eae [2024-11-23 01:29:12,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 01:29:12,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 01:29:12,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 01:29:12,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 01:29:12,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 01:29:12,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da21267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12, skipping insertion in model container [2024-11-23 01:29:12,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 01:29:12,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:29:12,600 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 01:29:12,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 01:29:12,719 INFO L204 MainTranslator]: Completed translation [2024-11-23 01:29:12,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12 WrapperNode [2024-11-23 01:29:12,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 01:29:12,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 01:29:12,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 01:29:12,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 01:29:12,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,824 INFO L138 Inliner]: procedures = 207, calls = 273, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1451 [2024-11-23 01:29:12,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 01:29:12,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 01:29:12,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 01:29:12,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 01:29:12,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,851 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,914 INFO L175 MemorySlicer]: Split 254 memory accesses to 3 slices as follows [2, 218, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-11-23 01:29:12,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 01:29:12,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 01:29:12,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 01:29:12,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 01:29:12,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (1/1) ... [2024-11-23 01:29:12,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 01:29:13,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:29:13,020 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 01:29:13,022 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 01:29:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 01:29:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 01:29:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 01:29:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 01:29:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 01:29:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 01:29:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 01:29:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 01:29:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 01:29:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 01:29:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 01:29:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 01:29:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 01:29:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 01:29:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 01:29:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 01:29:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 01:29:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 01:29:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 01:29:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 01:29:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 01:29:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 01:29:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 01:29:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 01:29:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 01:29:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 01:29:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 01:29:13,299 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 01:29:13,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 01:29:14,444 INFO L? ?]: Removed 330 outVars from TransFormulas that were not future-live. [2024-11-23 01:29:14,445 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 01:29:14,460 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 01:29:14,461 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-23 01:29:14,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:14 BoogieIcfgContainer [2024-11-23 01:29:14,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 01:29:14,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 01:29:14,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 01:29:14,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 01:29:14,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:29:12" (1/3) ... [2024-11-23 01:29:14,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46203ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:14, skipping insertion in model container [2024-11-23 01:29:14,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:12" (2/3) ... [2024-11-23 01:29:14,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46203ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:29:14, skipping insertion in model container [2024-11-23 01:29:14,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:14" (3/3) ... [2024-11-23 01:29:14,471 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test2-2.i [2024-11-23 01:29:14,483 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 01:29:14,483 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-23 01:29:14,542 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 01:29:14,547 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;@56948d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 01:29:14,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-23 01:29:14,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 402 states have (on average 1.6243781094527363) internal successors, (653), 408 states have internal predecessors, (653), 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 01:29:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:29:14,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:14,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:29:14,559 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 01:29:14,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:14,563 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-23 01:29:14,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:14,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436179167] [2024-11-23 01:29:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:14,720 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 01:29:14,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:14,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436179167] [2024-11-23 01:29:14,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436179167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:14,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:14,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 01:29:14,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223624208] [2024-11-23 01:29:14,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:14,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 01:29:14,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:14,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 01:29:14,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 01:29:14,752 INFO L87 Difference]: Start difference. First operand has 413 states, 402 states have (on average 1.6243781094527363) internal successors, (653), 408 states have internal predecessors, (653), 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) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:29:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:14,817 INFO L93 Difference]: Finished difference Result 822 states and 1313 transitions. [2024-11-23 01:29:14,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 01:29:14,820 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-23 01:29:14,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:14,833 INFO L225 Difference]: With dead ends: 822 [2024-11-23 01:29:14,835 INFO L226 Difference]: Without dead ends: 372 [2024-11-23 01:29:14,843 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 01:29:14,846 INFO L432 NwaCegarLoop]: 589 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, 589 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 01:29:14,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:29:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-23 01:29:14,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2024-11-23 01:29:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 362 states have (on average 1.4613259668508287) internal successors, (529), 367 states have internal predecessors, (529), 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 01:29:14,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 535 transitions. [2024-11-23 01:29:14,900 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 535 transitions. Word has length 8 [2024-11-23 01:29:14,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:14,900 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 535 transitions. [2024-11-23 01:29:14,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:29:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 535 transitions. [2024-11-23 01:29:14,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-23 01:29:14,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:14,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:29:14,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 01:29:14,902 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 01:29:14,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:14,903 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-23 01:29:14,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:14,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081058463] [2024-11-23 01:29:14,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 01:29:14,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993401617] [2024-11-23 01:29:14,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:14,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:29:14,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:29:14,955 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 01:29:14,957 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 01:29:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:15,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 01:29:15,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:29:15,132 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 01:29:15,175 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 01:29:15,176 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:29:15,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:15,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081058463] [2024-11-23 01:29:15,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-23 01:29:15,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993401617] [2024-11-23 01:29:15,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993401617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:15,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:15,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:29:15,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134150375] [2024-11-23 01:29:15,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:15,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:29:15,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:15,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:29:15,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:29:15,179 INFO L87 Difference]: Start difference. First operand 372 states and 535 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:29:15,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:15,311 INFO L93 Difference]: Finished difference Result 737 states and 1063 transitions. [2024-11-23 01:29:15,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:29:15,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-23 01:29:15,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:15,315 INFO L225 Difference]: With dead ends: 737 [2024-11-23 01:29:15,315 INFO L226 Difference]: Without dead ends: 735 [2024-11-23 01:29:15,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:29:15,317 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 515 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1530 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:15,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1530 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:29:15,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-11-23 01:29:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 378. [2024-11-23 01:29:15,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 368 states have (on average 1.4565217391304348) internal successors, (536), 373 states have internal predecessors, (536), 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 01:29:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 542 transitions. [2024-11-23 01:29:15,340 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 542 transitions. Word has length 8 [2024-11-23 01:29:15,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:15,340 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 542 transitions. [2024-11-23 01:29:15,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 01:29:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 542 transitions. [2024-11-23 01:29:15,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 01:29:15,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:15,345 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] [2024-11-23 01:29:15,352 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 01:29:15,545 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 01:29:15,546 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 01:29:15,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:15,548 INFO L85 PathProgramCache]: Analyzing trace with hash -586343401, now seen corresponding path program 1 times [2024-11-23 01:29:15,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:15,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247773581] [2024-11-23 01:29:15,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:15,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:15,811 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 01:29:15,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:15,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247773581] [2024-11-23 01:29:15,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247773581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:15,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:15,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:29:15,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909472117] [2024-11-23 01:29:15,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:15,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:29:15,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:15,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:29:15,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:29:15,813 INFO L87 Difference]: Start difference. First operand 378 states and 542 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 01:29:15,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:15,880 INFO L93 Difference]: Finished difference Result 542 states and 781 transitions. [2024-11-23 01:29:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:29:15,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-23 01:29:15,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:15,883 INFO L225 Difference]: With dead ends: 542 [2024-11-23 01:29:15,883 INFO L226 Difference]: Without dead ends: 381 [2024-11-23 01:29:15,883 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 01:29:15,885 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 105 mSDsluCounter, 921 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:15,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1428 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:29:15,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-23 01:29:15,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 378. [2024-11-23 01:29:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 368 states have (on average 1.4375) internal successors, (529), 373 states have internal predecessors, (529), 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 01:29:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 535 transitions. [2024-11-23 01:29:15,894 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 535 transitions. Word has length 68 [2024-11-23 01:29:15,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:15,894 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 535 transitions. [2024-11-23 01:29:15,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 01:29:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 535 transitions. [2024-11-23 01:29:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-23 01:29:15,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:15,897 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] [2024-11-23 01:29:15,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 01:29:15,897 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:29:15,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:15,897 INFO L85 PathProgramCache]: Analyzing trace with hash -803669085, now seen corresponding path program 1 times [2024-11-23 01:29:15,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:15,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098774896] [2024-11-23 01:29:15,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:15,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:16,173 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 01:29:16,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:16,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098774896] [2024-11-23 01:29:16,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098774896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:16,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:16,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:29:16,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465602432] [2024-11-23 01:29:16,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:16,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:29:16,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:16,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:29:16,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:29:16,177 INFO L87 Difference]: Start difference. First operand 378 states and 535 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 01:29:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:16,250 INFO L93 Difference]: Finished difference Result 735 states and 1047 transitions. [2024-11-23 01:29:16,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:29:16,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 68 [2024-11-23 01:29:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:16,254 INFO L225 Difference]: With dead ends: 735 [2024-11-23 01:29:16,257 INFO L226 Difference]: Without dead ends: 733 [2024-11-23 01:29:16,257 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 01:29:16,258 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 449 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:16,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1532 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:29:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-23 01:29:16,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 537. [2024-11-23 01:29:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 527 states have (on average 1.4345351043643264) internal successors, (756), 532 states have internal predecessors, (756), 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 01:29:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 762 transitions. [2024-11-23 01:29:16,287 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 762 transitions. Word has length 68 [2024-11-23 01:29:16,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:16,287 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 762 transitions. [2024-11-23 01:29:16,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 01:29:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 762 transitions. [2024-11-23 01:29:16,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:29:16,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:16,291 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:29:16,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 01:29:16,291 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 01:29:16,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-23 01:29:16,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:16,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659358197] [2024-11-23 01:29:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:16,486 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 01:29:16,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:16,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659358197] [2024-11-23 01:29:16,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659358197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:16,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:16,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:29:16,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281933627] [2024-11-23 01:29:16,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:16,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:29:16,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:16,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:29:16,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:29:16,489 INFO L87 Difference]: Start difference. First operand 537 states and 762 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 01:29:16,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:16,551 INFO L93 Difference]: Finished difference Result 1023 states and 1448 transitions. [2024-11-23 01:29:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:29:16,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-11-23 01:29:16,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:16,553 INFO L225 Difference]: With dead ends: 1023 [2024-11-23 01:29:16,553 INFO L226 Difference]: Without dead ends: 495 [2024-11-23 01:29:16,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 01:29:16,554 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 36 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:16,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1255 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:29:16,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-11-23 01:29:16,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 495. [2024-11-23 01:29:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 485 states have (on average 1.4) internal successors, (679), 490 states have internal predecessors, (679), 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 01:29:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 685 transitions. [2024-11-23 01:29:16,564 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 685 transitions. Word has length 82 [2024-11-23 01:29:16,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:16,564 INFO L471 AbstractCegarLoop]: Abstraction has 495 states and 685 transitions. [2024-11-23 01:29:16,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 01:29:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 685 transitions. [2024-11-23 01:29:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:29:16,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:16,568 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:29:16,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 01:29:16,570 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 01:29:16,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:16,571 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-23 01:29:16,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:16,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135065942] [2024-11-23 01:29:16,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:16,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:16,685 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 01:29:16,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:16,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135065942] [2024-11-23 01:29:16,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135065942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:16,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:16,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 01:29:16,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409866849] [2024-11-23 01:29:16,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:16,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:29:16,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:29:16,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:29:16,688 INFO L87 Difference]: Start difference. First operand 495 states and 685 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 01:29:16,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:16,737 INFO L93 Difference]: Finished difference Result 975 states and 1354 transitions. [2024-11-23 01:29:16,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 01:29:16,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-11-23 01:29:16,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:16,739 INFO L225 Difference]: With dead ends: 975 [2024-11-23 01:29:16,739 INFO L226 Difference]: Without dead ends: 489 [2024-11-23 01:29:16,739 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 01:29:16,740 INFO L432 NwaCegarLoop]: 425 mSDtfsCounter, 9 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:16,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1256 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:29:16,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-23 01:29:16,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2024-11-23 01:29:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 479 states have (on average 1.3966597077244258) internal successors, (669), 484 states have internal predecessors, (669), 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 01:29:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 675 transitions. [2024-11-23 01:29:16,751 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 675 transitions. Word has length 82 [2024-11-23 01:29:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:16,753 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 675 transitions. [2024-11-23 01:29:16,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 01:29:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 675 transitions. [2024-11-23 01:29:16,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-23 01:29:16,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:16,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:29:16,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 01:29:16,755 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 01:29:16,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:16,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-23 01:29:16,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:16,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200449873] [2024-11-23 01:29:16,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:16,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:16,883 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 01:29:16,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:16,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200449873] [2024-11-23 01:29:16,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200449873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:16,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:16,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:29:16,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762661498] [2024-11-23 01:29:16,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:16,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 01:29:16,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:16,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 01:29:16,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 01:29:16,884 INFO L87 Difference]: Start difference. First operand 489 states and 675 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 01:29:16,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:16,938 INFO L93 Difference]: Finished difference Result 1327 states and 1846 transitions. [2024-11-23 01:29:16,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 01:29:16,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2024-11-23 01:29:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:16,944 INFO L225 Difference]: With dead ends: 1327 [2024-11-23 01:29:16,945 INFO L226 Difference]: Without dead ends: 847 [2024-11-23 01:29:16,946 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 01:29:16,947 INFO L432 NwaCegarLoop]: 439 mSDtfsCounter, 255 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:16,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 865 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 01:29:16,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-11-23 01:29:16,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 845. [2024-11-23 01:29:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 835 states have (on average 1.4035928143712575) internal successors, (1172), 840 states have internal predecessors, (1172), 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 01:29:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1178 transitions. [2024-11-23 01:29:16,965 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1178 transitions. Word has length 82 [2024-11-23 01:29:16,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:16,965 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1178 transitions. [2024-11-23 01:29:16,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 01:29:16,965 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1178 transitions. [2024-11-23 01:29:16,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-23 01:29:16,968 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:16,969 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:29:16,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 01:29:16,969 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-23 01:29:16,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:16,970 INFO L85 PathProgramCache]: Analyzing trace with hash -583030798, now seen corresponding path program 1 times [2024-11-23 01:29:16,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:16,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771348878] [2024-11-23 01:29:16,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:16,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:17,334 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 01:29:17,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:17,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771348878] [2024-11-23 01:29:17,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771348878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:17,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 01:29:17,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 01:29:17,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13691857] [2024-11-23 01:29:17,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:17,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 01:29:17,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:17,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 01:29:17,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 01:29:17,338 INFO L87 Difference]: Start difference. First operand 845 states and 1178 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (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 01:29:17,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:17,437 INFO L93 Difference]: Finished difference Result 911 states and 1264 transitions. [2024-11-23 01:29:17,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 01:29:17,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (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 97 [2024-11-23 01:29:17,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:17,442 INFO L225 Difference]: With dead ends: 911 [2024-11-23 01:29:17,442 INFO L226 Difference]: Without dead ends: 909 [2024-11-23 01:29:17,443 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 01:29:17,444 INFO L432 NwaCegarLoop]: 469 mSDtfsCounter, 335 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 1357 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:17,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 1357 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 01:29:17,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-23 01:29:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-11-23 01:29:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 896 states have (on average 1.3950892857142858) internal successors, (1250), 901 states have internal predecessors, (1250), 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 01:29:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1262 transitions. [2024-11-23 01:29:17,475 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1262 transitions. Word has length 97 [2024-11-23 01:29:17,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:17,476 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1262 transitions. [2024-11-23 01:29:17,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (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 01:29:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1262 transitions. [2024-11-23 01:29:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-23 01:29:17,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:17,478 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 01:29:17,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 01:29:17,481 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 01:29:17,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1283450321, now seen corresponding path program 1 times [2024-11-23 01:29:17,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:17,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557417730] [2024-11-23 01:29:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:17,876 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 01:29:17,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:17,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557417730] [2024-11-23 01:29:17,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557417730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:29:17,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514182487] [2024-11-23 01:29:17,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:17,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:29:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:29:17,879 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 01:29:17,881 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 01:29:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:18,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-23 01:29:18,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:29:18,169 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 01:29:18,183 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 01:29:18,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-23 01:29:18,805 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 01:29:18,805 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 01:29:18,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514182487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 01:29:18,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 01:29:18,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-23 01:29:18,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752142351] [2024-11-23 01:29:18,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 01:29:18,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 01:29:18,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 01:29:18,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 01:29:18,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-23 01:29:18,807 INFO L87 Difference]: Start difference. First operand 909 states and 1262 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:29:19,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 01:29:19,986 INFO L93 Difference]: Finished difference Result 1647 states and 2290 transitions. [2024-11-23 01:29:19,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 01:29:19,987 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2024-11-23 01:29:19,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 01:29:19,990 INFO L225 Difference]: With dead ends: 1647 [2024-11-23 01:29:19,990 INFO L226 Difference]: Without dead ends: 909 [2024-11-23 01:29:19,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-11-23 01:29:19,993 INFO L432 NwaCegarLoop]: 453 mSDtfsCounter, 517 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 2730 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 01:29:19,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 2730 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 01:29:19,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-23 01:29:20,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2024-11-23 01:29:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 896 states have (on average 1.3939732142857142) internal successors, (1249), 901 states have internal predecessors, (1249), 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 01:29:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1261 transitions. [2024-11-23 01:29:20,010 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1261 transitions. Word has length 103 [2024-11-23 01:29:20,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 01:29:20,010 INFO L471 AbstractCegarLoop]: Abstraction has 909 states and 1261 transitions. [2024-11-23 01:29:20,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-23 01:29:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1261 transitions. [2024-11-23 01:29:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-23 01:29:20,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 01:29:20,012 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 01:29:20,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 01:29:20,212 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,SelfDestructingSolverStorable8 [2024-11-23 01:29:20,213 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 01:29:20,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 01:29:20,213 INFO L85 PathProgramCache]: Analyzing trace with hash 2107985046, now seen corresponding path program 1 times [2024-11-23 01:29:20,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 01:29:20,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877604617] [2024-11-23 01:29:20,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:20,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 01:29:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:20,461 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 01:29:20,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 01:29:20,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877604617] [2024-11-23 01:29:20,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877604617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 01:29:20,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332201775] [2024-11-23 01:29:20,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 01:29:20,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 01:29:20,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 01:29:20,464 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 01:29:20,465 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 01:29:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 01:29:20,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-23 01:29:20,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 01:30:29,910 WARN L286 SmtUtils]: Spent 8.36s 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)