./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.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 be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 23:13:32,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 23:13:33,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 23:13:33,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 23:13:33,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 23:13:33,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 23:13:33,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 23:13:33,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 23:13:33,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 23:13:33,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 23:13:33,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 23:13:33,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 23:13:33,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 23:13:33,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 23:13:33,042 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 23:13:33,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 23:13:33,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 23:13:33,044 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 23:13:33,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 23:13:33,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 23:13:33,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 23:13:33,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 23:13:33,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 23:13:33,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 23:13:33,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 23:13:33,048 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 23:13:33,048 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 23:13:33,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 23:13:33,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 23:13:33,048 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 23:13:33,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 23:13:33,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 23:13:33,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 23:13:33,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 23:13:33,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:13:33,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 23:13:33,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 23:13:33,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 23:13:33,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 23:13:33,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 23:13:33,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 23:13:33,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 23:13:33,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 23:13:33,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 23:13:33,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-10-24 23:13:33,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 23:13:33,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 23:13:33,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 23:13:33,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 23:13:33,270 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 23:13:33,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.i [2024-10-24 23:13:34,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 23:13:34,920 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 23:13:34,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test3-2.i [2024-10-24 23:13:34,940 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f044f1201/5e0a5ecf9db446dd86fae783316da285/FLAG0021ac971 [2024-10-24 23:13:34,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f044f1201/5e0a5ecf9db446dd86fae783316da285 [2024-10-24 23:13:34,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 23:13:34,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 23:13:34,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 23:13:34,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 23:13:34,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 23:13:34,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:13:34" (1/1) ... [2024-10-24 23:13:34,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73131eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:34, skipping insertion in model container [2024-10-24 23:13:34,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:13:34" (1/1) ... [2024-10-24 23:13:35,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 23:13:35,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:13:35,423 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 23:13:35,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 23:13:35,633 INFO L204 MainTranslator]: Completed translation [2024-10-24 23:13:35,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35 WrapperNode [2024-10-24 23:13:35,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 23:13:35,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 23:13:35,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 23:13:35,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 23:13:35,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,727 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1608 [2024-10-24 23:13:35,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 23:13:35,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 23:13:35,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 23:13:35,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 23:13:35,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,833 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [2, 266, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4]. [2024-10-24 23:13:35,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 23:13:35,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 23:13:35,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 23:13:35,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 23:13:35,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (1/1) ... [2024-10-24 23:13:35,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 23:13:35,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:13:35,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 23:13:35,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 23:13:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 23:13:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 23:13:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 23:13:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 23:13:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 23:13:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 23:13:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 23:13:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 23:13:35,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 23:13:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 23:13:35,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 23:13:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 23:13:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 23:13:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 23:13:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 23:13:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 23:13:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 23:13:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 23:13:35,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 23:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 23:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 23:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 23:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 23:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 23:13:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 23:13:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 23:13:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 23:13:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 23:13:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 23:13:36,169 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 23:13:36,170 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 23:13:37,243 INFO L? ?]: Removed 347 outVars from TransFormulas that were not future-live. [2024-10-24 23:13:37,243 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 23:13:37,289 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 23:13:37,289 INFO L314 CfgBuilder]: Removed 72 assume(true) statements. [2024-10-24 23:13:37,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:37 BoogieIcfgContainer [2024-10-24 23:13:37,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 23:13:37,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 23:13:37,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 23:13:37,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 23:13:37,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:13:34" (1/3) ... [2024-10-24 23:13:37,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3123aafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:13:37, skipping insertion in model container [2024-10-24 23:13:37,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:13:35" (2/3) ... [2024-10-24 23:13:37,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3123aafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:13:37, skipping insertion in model container [2024-10-24 23:13:37,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:13:37" (3/3) ... [2024-10-24 23:13:37,299 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_nondet_test3-2.i [2024-10-24 23:13:37,313 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 23:13:37,313 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-24 23:13:37,362 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 23:13:37,367 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;@6c21c2c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 23:13:37,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-24 23:13:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 444 states, 430 states have (on average 1.6325581395348838) internal successors, (702), 437 states have internal predecessors, (702), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 23:13:37,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 23:13:37,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:37,380 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:37,380 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)] === [2024-10-24 23:13:37,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:37,384 INFO L85 PathProgramCache]: Analyzing trace with hash -123256555, now seen corresponding path program 1 times [2024-10-24 23:13:37,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:37,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600054018] [2024-10-24 23:13:37,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:37,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:37,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600054018] [2024-10-24 23:13:37,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600054018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:37,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:37,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:13:37,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361059530] [2024-10-24 23:13:37,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:37,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 23:13:37,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:37,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 23:13:37,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 23:13:37,557 INFO L87 Difference]: Start difference. First operand has 444 states, 430 states have (on average 1.6325581395348838) internal successors, (702), 437 states have internal predecessors, (702), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:37,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:37,639 INFO L93 Difference]: Finished difference Result 885 states and 1422 transitions. [2024-10-24 23:13:37,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 23:13:37,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 23:13:37,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:37,653 INFO L225 Difference]: With dead ends: 885 [2024-10-24 23:13:37,653 INFO L226 Difference]: Without dead ends: 401 [2024-10-24 23:13:37,659 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 [2024-10-24 23:13:37,661 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:37,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 628 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:13:37,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-10-24 23:13:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2024-10-24 23:13:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 389 states have (on average 1.4575835475578407) internal successors, (567), 395 states have internal predecessors, (567), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 23:13:37,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 575 transitions. [2024-10-24 23:13:37,714 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 575 transitions. Word has length 7 [2024-10-24 23:13:37,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:37,715 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 575 transitions. [2024-10-24 23:13:37,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 575 transitions. [2024-10-24 23:13:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-24 23:13:37,716 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:37,716 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:37,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 23:13:37,716 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)] === [2024-10-24 23:13:37,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:37,717 INFO L85 PathProgramCache]: Analyzing trace with hash -123254633, now seen corresponding path program 1 times [2024-10-24 23:13:37,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:37,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595981050] [2024-10-24 23:13:37,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 23:13:37,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623423044] [2024-10-24 23:13:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:37,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:13:37,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:13:37,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:13:37,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 23:13:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:37,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 23:13:37,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:13:37,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:13:37,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:37,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:13:37,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:37,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595981050] [2024-10-24 23:13:38,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 23:13:38,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623423044] [2024-10-24 23:13:38,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623423044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:38,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:38,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:13:38,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627112256] [2024-10-24 23:13:38,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:38,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:13:38,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:38,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:13:38,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:13:38,017 INFO L87 Difference]: Start difference. First operand 401 states and 575 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:38,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:38,172 INFO L93 Difference]: Finished difference Result 793 states and 1142 transitions. [2024-10-24 23:13:38,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:13:38,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-24 23:13:38,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:38,177 INFO L225 Difference]: With dead ends: 793 [2024-10-24 23:13:38,177 INFO L226 Difference]: Without dead ends: 791 [2024-10-24 23:13:38,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:13:38,178 INFO L432 NwaCegarLoop]: 593 mSDtfsCounter, 552 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:38,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1731 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:13:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2024-10-24 23:13:38,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 407. [2024-10-24 23:13:38,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 395 states have (on average 1.4531645569620253) internal successors, (574), 401 states have internal predecessors, (574), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 23:13:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 582 transitions. [2024-10-24 23:13:38,200 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 582 transitions. Word has length 7 [2024-10-24 23:13:38,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:38,200 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 582 transitions. [2024-10-24 23:13:38,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:38,201 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 582 transitions. [2024-10-24 23:13:38,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 23:13:38,204 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:38,204 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] [2024-10-24 23:13:38,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 23:13:38,406 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 [2024-10-24 23:13:38,411 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)] === [2024-10-24 23:13:38,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:38,412 INFO L85 PathProgramCache]: Analyzing trace with hash -99934232, now seen corresponding path program 1 times [2024-10-24 23:13:38,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:38,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610967830] [2024-10-24 23:13:38,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:38,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:38,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:13:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:38,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610967830] [2024-10-24 23:13:38,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610967830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:38,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:38,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:13:38,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784185623] [2024-10-24 23:13:38,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:38,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:13:38,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:38,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:13:38,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:13:38,673 INFO L87 Difference]: Start difference. First operand 407 states and 582 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:13:38,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:38,785 INFO L93 Difference]: Finished difference Result 557 states and 794 transitions. [2024-10-24 23:13:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:13:38,786 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-10-24 23:13:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:38,791 INFO L225 Difference]: With dead ends: 557 [2024-10-24 23:13:38,791 INFO L226 Difference]: Without dead ends: 365 [2024-10-24 23:13:38,791 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 [2024-10-24 23:13:38,794 INFO L432 NwaCegarLoop]: 471 mSDtfsCounter, 30 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1396 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:38,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1396 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 23:13:38,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-24 23:13:38,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-10-24 23:13:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 353 states have (on average 1.4079320113314449) internal successors, (497), 359 states have internal predecessors, (497), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 23:13:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 505 transitions. [2024-10-24 23:13:38,827 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 505 transitions. Word has length 70 [2024-10-24 23:13:38,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:38,828 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 505 transitions. [2024-10-24 23:13:38,828 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:13:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 505 transitions. [2024-10-24 23:13:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 23:13:38,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:38,834 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] [2024-10-24 23:13:38,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 23:13:38,835 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)] === [2024-10-24 23:13:38,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:38,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1933671204, now seen corresponding path program 1 times [2024-10-24 23:13:38,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:38,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474786263] [2024-10-24 23:13:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:38,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:39,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:13:39,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:39,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:39,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474786263] [2024-10-24 23:13:39,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474786263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:39,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:39,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:13:39,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507353117] [2024-10-24 23:13:39,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:39,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:13:39,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:39,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:13:39,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:13:39,046 INFO L87 Difference]: Start difference. First operand 365 states and 505 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:13:39,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:39,066 INFO L93 Difference]: Finished difference Result 515 states and 706 transitions. [2024-10-24 23:13:39,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 23:13:39,066 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-10-24 23:13:39,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:39,068 INFO L225 Difference]: With dead ends: 515 [2024-10-24 23:13:39,068 INFO L226 Difference]: Without dead ends: 360 [2024-10-24 23:13:39,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:13:39,069 INFO L432 NwaCegarLoop]: 488 mSDtfsCounter, 0 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:39,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1459 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:13:39,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-24 23:13:39,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-10-24 23:13:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 350 states have (on average 1.4085714285714286) internal successors, (493), 355 states have internal predecessors, (493), 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) [2024-10-24 23:13:39,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 499 transitions. [2024-10-24 23:13:39,077 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 499 transitions. Word has length 70 [2024-10-24 23:13:39,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:39,082 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 499 transitions. [2024-10-24 23:13:39,083 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 23:13:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 499 transitions. [2024-10-24 23:13:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-24 23:13:39,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:39,103 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:39,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 23:13:39,104 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:13:39,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:39,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1955930481, now seen corresponding path program 1 times [2024-10-24 23:13:39,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:39,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266837151] [2024-10-24 23:13:39,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:39,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:39,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:39,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266837151] [2024-10-24 23:13:39,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266837151] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:39,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:39,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 23:13:39,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741959213] [2024-10-24 23:13:39,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:39,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:13:39,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:39,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:13:39,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:13:39,212 INFO L87 Difference]: Start difference. First operand 360 states and 499 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:39,240 INFO L93 Difference]: Finished difference Result 512 states and 702 transitions. [2024-10-24 23:13:39,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:13:39,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-24 23:13:39,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:39,244 INFO L225 Difference]: With dead ends: 512 [2024-10-24 23:13:39,246 INFO L226 Difference]: Without dead ends: 360 [2024-10-24 23:13:39,247 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 [2024-10-24 23:13:39,247 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 15 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 941 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:39,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 941 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:13:39,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-24 23:13:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2024-10-24 23:13:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 350 states have (on average 1.3971428571428572) internal successors, (489), 355 states have internal predecessors, (489), 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) [2024-10-24 23:13:39,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 495 transitions. [2024-10-24 23:13:39,260 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 495 transitions. Word has length 71 [2024-10-24 23:13:39,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:39,262 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 495 transitions. [2024-10-24 23:13:39,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 495 transitions. [2024-10-24 23:13:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 23:13:39,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:39,264 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:39,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 23:13:39,264 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)] === [2024-10-24 23:13:39,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:39,265 INFO L85 PathProgramCache]: Analyzing trace with hash -485282061, now seen corresponding path program 1 times [2024-10-24 23:13:39,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:39,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806889701] [2024-10-24 23:13:39,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:39,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:39,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:39,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806889701] [2024-10-24 23:13:39,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806889701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:39,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:39,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:13:39,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721634671] [2024-10-24 23:13:39,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:39,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:13:39,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:39,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:13:39,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:13:39,482 INFO L87 Difference]: Start difference. First operand 360 states and 495 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:39,541 INFO L93 Difference]: Finished difference Result 670 states and 915 transitions. [2024-10-24 23:13:39,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:13:39,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-24 23:13:39,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:39,543 INFO L225 Difference]: With dead ends: 670 [2024-10-24 23:13:39,543 INFO L226 Difference]: Without dead ends: 318 [2024-10-24 23:13:39,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:13:39,544 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 36 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:39,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1113 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:13:39,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-10-24 23:13:39,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-10-24 23:13:39,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 308 states have (on average 1.3376623376623376) internal successors, (412), 313 states have internal predecessors, (412), 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) [2024-10-24 23:13:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 418 transitions. [2024-10-24 23:13:39,550 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 418 transitions. Word has length 81 [2024-10-24 23:13:39,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:39,550 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 418 transitions. [2024-10-24 23:13:39,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,551 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 418 transitions. [2024-10-24 23:13:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 23:13:39,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:39,552 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:39,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 23:13:39,552 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)] === [2024-10-24 23:13:39,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:39,552 INFO L85 PathProgramCache]: Analyzing trace with hash -260747681, now seen corresponding path program 1 times [2024-10-24 23:13:39,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:39,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588918008] [2024-10-24 23:13:39,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:39,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:39,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:39,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588918008] [2024-10-24 23:13:39,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588918008] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:39,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:39,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:13:39,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260570967] [2024-10-24 23:13:39,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:39,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 23:13:39,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:39,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 23:13:39,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 23:13:39,689 INFO L87 Difference]: Start difference. First operand 318 states and 418 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:39,736 INFO L93 Difference]: Finished difference Result 622 states and 821 transitions. [2024-10-24 23:13:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:13:39,736 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-24 23:13:39,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:39,738 INFO L225 Difference]: With dead ends: 622 [2024-10-24 23:13:39,738 INFO L226 Difference]: Without dead ends: 312 [2024-10-24 23:13:39,738 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:13:39,739 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 9 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:39,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1114 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:13:39,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-10-24 23:13:39,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2024-10-24 23:13:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 302 states have (on average 1.3311258278145695) internal successors, (402), 307 states have internal predecessors, (402), 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) [2024-10-24 23:13:39,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 408 transitions. [2024-10-24 23:13:39,744 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 408 transitions. Word has length 81 [2024-10-24 23:13:39,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:39,744 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 408 transitions. [2024-10-24 23:13:39,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,744 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 408 transitions. [2024-10-24 23:13:39,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-24 23:13:39,745 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:39,745 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:39,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 23:13:39,745 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)] === [2024-10-24 23:13:39,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:39,746 INFO L85 PathProgramCache]: Analyzing trace with hash 161778791, now seen corresponding path program 1 times [2024-10-24 23:13:39,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:39,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492114005] [2024-10-24 23:13:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:39,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 23:13:39,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:39,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492114005] [2024-10-24 23:13:39,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492114005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:39,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:39,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 23:13:39,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145547186] [2024-10-24 23:13:39,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:39,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 23:13:39,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:39,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 23:13:39,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:13:39,824 INFO L87 Difference]: Start difference. First operand 312 states and 408 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:39,877 INFO L93 Difference]: Finished difference Result 791 states and 1041 transitions. [2024-10-24 23:13:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 23:13:39,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-24 23:13:39,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:39,880 INFO L225 Difference]: With dead ends: 791 [2024-10-24 23:13:39,880 INFO L226 Difference]: Without dead ends: 399 [2024-10-24 23:13:39,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 23:13:39,881 INFO L432 NwaCegarLoop]: 392 mSDtfsCounter, 175 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:39,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 763 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 23:13:39,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-10-24 23:13:39,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 397. [2024-10-24 23:13:39,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 387 states have (on average 1.3281653746770026) internal successors, (514), 392 states have internal predecessors, (514), 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) [2024-10-24 23:13:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2024-10-24 23:13:39,890 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 81 [2024-10-24 23:13:39,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:39,890 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2024-10-24 23:13:39,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 23:13:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2024-10-24 23:13:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-10-24 23:13:39,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:39,891 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:39,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 23:13:39,891 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:13:39,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:39,891 INFO L85 PathProgramCache]: Analyzing trace with hash 602300858, now seen corresponding path program 1 times [2024-10-24 23:13:39,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:39,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732601859] [2024-10-24 23:13:39,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:39,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 23:13:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:40,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:13:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:13:40,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:40,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732601859] [2024-10-24 23:13:40,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732601859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:40,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 23:13:40,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 23:13:40,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839449788] [2024-10-24 23:13:40,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:40,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 23:13:40,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:40,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 23:13:40,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 23:13:40,226 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (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) [2024-10-24 23:13:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:40,447 INFO L93 Difference]: Finished difference Result 616 states and 812 transitions. [2024-10-24 23:13:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 23:13:40,447 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (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 94 [2024-10-24 23:13:40,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:40,450 INFO L225 Difference]: With dead ends: 616 [2024-10-24 23:13:40,451 INFO L226 Difference]: Without dead ends: 614 [2024-10-24 23:13:40,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 23:13:40,453 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 294 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:40,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1439 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 23:13:40,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-10-24 23:13:40,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 461. [2024-10-24 23:13:40,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 448 states have (on average 1.3214285714285714) internal successors, (592), 453 states have internal predecessors, (592), 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) [2024-10-24 23:13:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 604 transitions. [2024-10-24 23:13:40,466 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 604 transitions. Word has length 94 [2024-10-24 23:13:40,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:40,467 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 604 transitions. [2024-10-24 23:13:40,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (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) [2024-10-24 23:13:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 604 transitions. [2024-10-24 23:13:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-24 23:13:40,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:40,468 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:40,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 23:13:40,469 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)] === [2024-10-24 23:13:40,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:40,469 INFO L85 PathProgramCache]: Analyzing trace with hash 861284761, now seen corresponding path program 1 times [2024-10-24 23:13:40,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:40,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056446453] [2024-10-24 23:13:40,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:40,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:40,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 23:13:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:40,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 23:13:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:40,951 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:13:40,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:40,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056446453] [2024-10-24 23:13:40,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056446453] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:13:40,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417110472] [2024-10-24 23:13:40,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:40,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:13:40,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:13:40,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:13:40,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 23:13:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:41,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-24 23:13:41,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:13:41,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:13:41,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-24 23:13:41,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-24 23:13:41,687 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-24 23:13:41,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-10-24 23:13:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 23:13:41,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 23:13:41,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417110472] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 23:13:41,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 23:13:41,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-10-24 23:13:41,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524449302] [2024-10-24 23:13:41,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 23:13:41,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 23:13:41,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 23:13:41,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 23:13:41,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-24 23:13:41,865 INFO L87 Difference]: Start difference. First operand 461 states and 604 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-10-24 23:13:42,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 23:13:42,770 INFO L93 Difference]: Finished difference Result 1033 states and 1363 transitions. [2024-10-24 23:13:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 23:13:42,771 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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 100 [2024-10-24 23:13:42,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 23:13:42,773 INFO L225 Difference]: With dead ends: 1033 [2024-10-24 23:13:42,773 INFO L226 Difference]: Without dead ends: 612 [2024-10-24 23:13:42,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-10-24 23:13:42,774 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 474 mSDsluCounter, 2011 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 23:13:42,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 2418 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 23:13:42,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-10-24 23:13:42,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 461. [2024-10-24 23:13:42,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 448 states have (on average 1.3191964285714286) internal successors, (591), 453 states have internal predecessors, (591), 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) [2024-10-24 23:13:42,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 603 transitions. [2024-10-24 23:13:42,783 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 603 transitions. Word has length 100 [2024-10-24 23:13:42,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 23:13:42,783 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 603 transitions. [2024-10-24 23:13:42,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 11 states have internal predecessors, (94), 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) [2024-10-24 23:13:42,783 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 603 transitions. [2024-10-24 23:13:42,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-24 23:13:42,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 23:13:42,784 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 23:13:42,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 23:13:42,985 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,SelfDestructingSolverStorable9 [2024-10-24 23:13:42,986 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-24 23:13:42,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 23:13:42,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1699615502, now seen corresponding path program 1 times [2024-10-24 23:13:42,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 23:13:42,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793222186] [2024-10-24 23:13:42,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:42,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 23:13:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:43,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 23:13:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:43,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-24 23:13:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-24 23:13:43,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 23:13:43,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793222186] [2024-10-24 23:13:43,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793222186] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 23:13:43,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931045939] [2024-10-24 23:13:43,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 23:13:43,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 23:13:43,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 23:13:43,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 23:13:43,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 23:13:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 23:13:43,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-24 23:13:43,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 23:14:27,423 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 23:14:55,767 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-24 23:15:10,752 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)