./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:29:11,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:29:11,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:29:11,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:29:11,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:29:12,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:29:12,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:29:12,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:29:12,010 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:29:12,012 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:29:12,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:29:12,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:29:12,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:29:12,014 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:29:12,014 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:29:12,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:29:12,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:29:12,015 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:29:12,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:29:12,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:29:12,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:29:12,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:29:12,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:29:12,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:29:12,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:29:12,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:29:12,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:29:12,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:29:12,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:29:12,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:29:12,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:29:12,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:29:12,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:29:12,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:29:12,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:29:12,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:29:12,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:29:12,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:29:12,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:29:12,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:29:12,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:29:12,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:29:12,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:29:12,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:29:12,021 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb2eb63835edf753d5a467feb7a4cdd6d105155177d7d0cab8bf29c1b74dbaf6 [2024-11-19 13:29:12,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:29:12,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:29:12,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:29:12,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:29:12,234 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:29:12,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2024-11-19 13:29:13,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:29:13,595 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:29:13,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-1.i [2024-11-19 13:29:13,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457566ce/e9615707f3a444aca231e2ffc73177ae/FLAG2975fb050 [2024-11-19 13:29:13,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9457566ce/e9615707f3a444aca231e2ffc73177ae [2024-11-19 13:29:13,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:29:13,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:29:13,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:29:13,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:29:13,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:29:13,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:13" (1/1) ... [2024-11-19 13:29:13,953 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d2977c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:13, skipping insertion in model container [2024-11-19 13:29:13,953 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:29:13" (1/1) ... [2024-11-19 13:29:13,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:29:14,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:29:14,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:29:14,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:29:14,484 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:29:14,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14 WrapperNode [2024-11-19 13:29:14,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:29:14,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:29:14,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:29:14,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:29:14,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,561 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1463 [2024-11-19 13:29:14,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:29:14,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:29:14,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:29:14,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:29:14,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,580 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,634 INFO L175 MemorySlicer]: Split 255 memory accesses to 3 slices as follows [2, 34, 219]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-19 13:29:14,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:29:14,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:29:14,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:29:14,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:29:14,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (1/1) ... [2024-11-19 13:29:14,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:29:14,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:14,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:29:14,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:29:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 13:29:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:29:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:29:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 13:29:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:29:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:29:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 13:29:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:29:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:29:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:29:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:29:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:29:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:29:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:29:14,916 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:29:14,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:29:15,952 INFO L? ?]: Removed 333 outVars from TransFormulas that were not future-live. [2024-11-19 13:29:15,952 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:29:15,972 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:29:15,972 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-19 13:29:15,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:29:15 BoogieIcfgContainer [2024-11-19 13:29:15,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:29:15,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:29:15,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:29:15,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:29:15,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:29:13" (1/3) ... [2024-11-19 13:29:15,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7065a2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:29:15, skipping insertion in model container [2024-11-19 13:29:15,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:29:14" (2/3) ... [2024-11-19 13:29:15,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7065a2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:29:15, skipping insertion in model container [2024-11-19 13:29:15,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:29:15" (3/3) ... [2024-11-19 13:29:15,981 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-1.i [2024-11-19 13:29:15,992 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:29:15,992 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 13:29:16,048 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:29:16,053 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;@7d1087fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:29:16,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:29:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 429 states, 407 states have (on average 1.628992628992629) internal successors, (663), 422 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-19 13:29:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:29:16,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:16,061 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:16,061 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:16,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:16,065 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-19 13:29:16,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:16,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123616040] [2024-11-19 13:29:16,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:16,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:16,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:16,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123616040] [2024-11-19 13:29:16,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123616040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:16,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:16,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:29:16,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207269131] [2024-11-19 13:29:16,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:16,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 13:29:16,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:16,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 13:29:16,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:29:16,209 INFO L87 Difference]: Start difference. First operand has 429 states, 407 states have (on average 1.628992628992629) internal successors, (663), 422 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:16,260 INFO L93 Difference]: Finished difference Result 854 states and 1368 transitions. [2024-11-19 13:29:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 13:29:16,261 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 13:29:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:16,271 INFO L225 Difference]: With dead ends: 854 [2024-11-19 13:29:16,272 INFO L226 Difference]: Without dead ends: 420 [2024-11-19 13:29:16,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 13:29:16,278 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:16,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-19 13:29:16,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-19 13:29:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 402 states have (on average 1.4601990049751243) internal successors, (587), 414 states have internal predecessors, (587), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:16,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-11-19 13:29:16,326 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 7 [2024-11-19 13:29:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:16,327 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-11-19 13:29:16,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-11-19 13:29:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:29:16,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:16,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:16,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:29:16,328 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:16,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:16,329 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-19 13:29:16,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:16,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528752912] [2024-11-19 13:29:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:16,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:29:16,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137097577] [2024-11-19 13:29:16,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:16,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:16,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:16,362 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:16,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:29:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:16,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:29:16,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:16,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:16,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:16,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528752912] [2024-11-19 13:29:16,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:29:16,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137097577] [2024-11-19 13:29:16,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137097577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:16,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:16,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:16,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155013300] [2024-11-19 13:29:16,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:16,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:16,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:16,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:16,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:29:16,567 INFO L87 Difference]: Start difference. First operand 420 states and 603 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:16,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:16,708 INFO L93 Difference]: Finished difference Result 830 states and 1197 transitions. [2024-11-19 13:29:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:16,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-19 13:29:16,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:16,713 INFO L225 Difference]: With dead ends: 830 [2024-11-19 13:29:16,714 INFO L226 Difference]: Without dead ends: 828 [2024-11-19 13:29:16,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:16,718 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 571 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:16,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1820 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:16,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-19 13:29:16,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 426. [2024-11-19 13:29:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4558823529411764) internal successors, (594), 420 states have internal predecessors, (594), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 610 transitions. [2024-11-19 13:29:16,751 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 610 transitions. Word has length 7 [2024-11-19 13:29:16,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:16,751 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 610 transitions. [2024-11-19 13:29:16,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2024-11-19 13:29:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 13:29:16,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:16,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:16,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:29:16,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:16,957 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:16,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:16,957 INFO L85 PathProgramCache]: Analyzing trace with hash -157664827, now seen corresponding path program 1 times [2024-11-19 13:29:16,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:16,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396478132] [2024-11-19 13:29:16,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:17,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:17,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396478132] [2024-11-19 13:29:17,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396478132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:17,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:17,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:29:17,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590799675] [2024-11-19 13:29:17,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:17,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:17,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:17,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:17,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:29:17,090 INFO L87 Difference]: Start difference. First operand 426 states and 610 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:17,183 INFO L93 Difference]: Finished difference Result 1038 states and 1500 transitions. [2024-11-19 13:29:17,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:17,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-19 13:29:17,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:17,186 INFO L225 Difference]: With dead ends: 1038 [2024-11-19 13:29:17,187 INFO L226 Difference]: Without dead ends: 827 [2024-11-19 13:29:17,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:17,188 INFO L432 NwaCegarLoop]: 628 mSDtfsCounter, 572 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:17,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1827 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:17,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-19 13:29:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 426. [2024-11-19 13:29:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 420 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 609 transitions. [2024-11-19 13:29:17,201 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 609 transitions. Word has length 10 [2024-11-19 13:29:17,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:17,201 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 609 transitions. [2024-11-19 13:29:17,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2024-11-19 13:29:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:29:17,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:17,204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:17,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:29:17,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:17,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:17,205 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-19 13:29:17,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:17,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493549272] [2024-11-19 13:29:17,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:17,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:17,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:17,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493549272] [2024-11-19 13:29:17,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493549272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:17,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:17,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 13:29:17,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681972342] [2024-11-19 13:29:17,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:17,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:29:17,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:17,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:29:17,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:17,455 INFO L87 Difference]: Start difference. First operand 426 states and 609 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:17,520 INFO L93 Difference]: Finished difference Result 847 states and 1213 transitions. [2024-11-19 13:29:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:17,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 13:29:17,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:17,524 INFO L225 Difference]: With dead ends: 847 [2024-11-19 13:29:17,524 INFO L226 Difference]: Without dead ends: 429 [2024-11-19 13:29:17,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:17,526 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 87 mSDsluCounter, 1620 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2195 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:17,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2195 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:17,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-19 13:29:17,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 426. [2024-11-19 13:29:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4362745098039216) internal successors, (586), 420 states have internal predecessors, (586), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 602 transitions. [2024-11-19 13:29:17,536 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 602 transitions. Word has length 81 [2024-11-19 13:29:17,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:17,536 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 602 transitions. [2024-11-19 13:29:17,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 602 transitions. [2024-11-19 13:29:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-19 13:29:17,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:17,538 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:17,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:29:17,539 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:17,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:17,539 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-19 13:29:17,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:17,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225500579] [2024-11-19 13:29:17,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:17,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:29:17,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:17,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225500579] [2024-11-19 13:29:17,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225500579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:17,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:17,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:17,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85788351] [2024-11-19 13:29:17,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:17,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:29:17,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:17,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:29:17,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:17,689 INFO L87 Difference]: Start difference. First operand 426 states and 602 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:17,774 INFO L93 Difference]: Finished difference Result 1137 states and 1627 transitions. [2024-11-19 13:29:17,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:29:17,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-11-19 13:29:17,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:17,777 INFO L225 Difference]: With dead ends: 1137 [2024-11-19 13:29:17,777 INFO L226 Difference]: Without dead ends: 719 [2024-11-19 13:29:17,778 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:17,780 INFO L432 NwaCegarLoop]: 782 mSDtfsCounter, 373 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:17,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1354 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:17,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-19 13:29:17,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 715. [2024-11-19 13:29:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 697 states have (on average 1.4533715925394548) internal successors, (1013), 709 states have internal predecessors, (1013), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1029 transitions. [2024-11-19 13:29:17,797 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1029 transitions. Word has length 81 [2024-11-19 13:29:17,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:17,797 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 1029 transitions. [2024-11-19 13:29:17,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:29:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1029 transitions. [2024-11-19 13:29:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:29:17,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:17,798 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:17,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:29:17,799 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:17,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:17,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1776239741, now seen corresponding path program 1 times [2024-11-19 13:29:17,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:17,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501538784] [2024-11-19 13:29:17,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:17,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:17,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501538784] [2024-11-19 13:29:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501538784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:17,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:17,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:17,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899687095] [2024-11-19 13:29:17,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:17,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:29:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:17,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:29:17,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:17,953 INFO L87 Difference]: Start difference. First operand 715 states and 1029 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:17,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:17,994 INFO L93 Difference]: Finished difference Result 1364 states and 1968 transitions. [2024-11-19 13:29:17,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:29:17,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-19 13:29:17,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:18,000 INFO L225 Difference]: With dead ends: 1364 [2024-11-19 13:29:18,000 INFO L226 Difference]: Without dead ends: 727 [2024-11-19 13:29:18,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:29:18,001 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 1 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:18,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1158 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:18,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-19 13:29:18,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2024-11-19 13:29:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 709 states have (on average 1.4456981664315938) internal successors, (1025), 721 states have internal predecessors, (1025), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 13:29:18,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1041 transitions. [2024-11-19 13:29:18,016 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1041 transitions. Word has length 96 [2024-11-19 13:29:18,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:18,016 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 1041 transitions. [2024-11-19 13:29:18,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1041 transitions. [2024-11-19 13:29:18,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 13:29:18,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:18,018 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:18,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:29:18,019 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:18,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:18,019 INFO L85 PathProgramCache]: Analyzing trace with hash -832547717, now seen corresponding path program 1 times [2024-11-19 13:29:18,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:18,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060433711] [2024-11-19 13:29:18,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:18,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:18,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:18,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:18,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060433711] [2024-11-19 13:29:18,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060433711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:18,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:18,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:29:18,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638082301] [2024-11-19 13:29:18,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:18,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:18,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:18,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:18,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:29:18,262 INFO L87 Difference]: Start difference. First operand 727 states and 1041 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:18,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:18,345 INFO L93 Difference]: Finished difference Result 1032 states and 1474 transitions. [2024-11-19 13:29:18,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:29:18,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-11-19 13:29:18,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:18,349 INFO L225 Difference]: With dead ends: 1032 [2024-11-19 13:29:18,349 INFO L226 Difference]: Without dead ends: 1030 [2024-11-19 13:29:18,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:18,350 INFO L432 NwaCegarLoop]: 579 mSDtfsCounter, 479 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1721 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:18,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1721 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:29:18,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2024-11-19 13:29:18,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 791. [2024-11-19 13:29:18,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 770 states have (on average 1.4324675324675324) internal successors, (1103), 782 states have internal predecessors, (1103), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 13:29:18,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1125 transitions. [2024-11-19 13:29:18,364 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1125 transitions. Word has length 96 [2024-11-19 13:29:18,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:18,364 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1125 transitions. [2024-11-19 13:29:18,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:18,365 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1125 transitions. [2024-11-19 13:29:18,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 13:29:18,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:18,367 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:18,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:29:18,367 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:18,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:18,367 INFO L85 PathProgramCache]: Analyzing trace with hash -399763366, now seen corresponding path program 1 times [2024-11-19 13:29:18,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:18,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340408620] [2024-11-19 13:29:18,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:18,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:29:18,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:18,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340408620] [2024-11-19 13:29:18,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340408620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:18,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653826612] [2024-11-19 13:29:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:18,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:18,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:18,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:18,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:29:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:18,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-19 13:29:18,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:29:18,949 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 [2024-11-19 13:29:18,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:29:18,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:29:19,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 13:29:19,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-19 13:29:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:19,619 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:29:19,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653826612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:19,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:29:19,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:29:19,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924241472] [2024-11-19 13:29:19,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:19,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:29:19,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:19,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:29:19,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:29:19,624 INFO L87 Difference]: Start difference. First operand 791 states and 1125 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:21,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:21,180 INFO L93 Difference]: Finished difference Result 1766 states and 2515 transitions. [2024-11-19 13:29:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:29:21,181 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-19 13:29:21,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:21,184 INFO L225 Difference]: With dead ends: 1766 [2024-11-19 13:29:21,184 INFO L226 Difference]: Without dead ends: 1069 [2024-11-19 13:29:21,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:29:21,186 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 843 mSDsluCounter, 3073 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:21,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 3636 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 13:29:21,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-19 13:29:21,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 823. [2024-11-19 13:29:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 802 states have (on average 1.4214463840399003) internal successors, (1140), 814 states have internal predecessors, (1140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 13:29:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1162 transitions. [2024-11-19 13:29:21,201 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1162 transitions. Word has length 102 [2024-11-19 13:29:21,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:21,201 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1162 transitions. [2024-11-19 13:29:21,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1162 transitions. [2024-11-19 13:29:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-19 13:29:21,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:21,202 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:21,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 13:29:21,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-19 13:29:21,403 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:21,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:21,403 INFO L85 PathProgramCache]: Analyzing trace with hash -576701474, now seen corresponding path program 1 times [2024-11-19 13:29:21,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:21,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949327426] [2024-11-19 13:29:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:29:21,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:21,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949327426] [2024-11-19 13:29:21,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949327426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:29:21,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:29:21,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:29:21,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943181337] [2024-11-19 13:29:21,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:29:21,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:29:21,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:29:21,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:29:21,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:29:21,537 INFO L87 Difference]: Start difference. First operand 823 states and 1162 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:21,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:29:21,577 INFO L93 Difference]: Finished difference Result 1476 states and 2086 transitions. [2024-11-19 13:29:21,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:29:21,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-11-19 13:29:21,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:29:21,579 INFO L225 Difference]: With dead ends: 1476 [2024-11-19 13:29:21,579 INFO L226 Difference]: Without dead ends: 683 [2024-11-19 13:29:21,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:29:21,581 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 9 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:29:21,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1481 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:29:21,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-19 13:29:21,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2024-11-19 13:29:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 662 states have (on average 1.404833836858006) internal successors, (930), 674 states have internal predecessors, (930), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-19 13:29:21,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 952 transitions. [2024-11-19 13:29:21,592 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 952 transitions. Word has length 102 [2024-11-19 13:29:21,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:29:21,592 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 952 transitions. [2024-11-19 13:29:21,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:29:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 952 transitions. [2024-11-19 13:29:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-19 13:29:21,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:29:21,593 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:29:21,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:29:21,593 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:29:21,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:29:21,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1929431501, now seen corresponding path program 1 times [2024-11-19 13:29:21,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:29:21,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011536185] [2024-11-19 13:29:21,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:21,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:29:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:29:21,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:29:21,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011536185] [2024-11-19 13:29:21,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011536185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:29:21,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161671120] [2024-11-19 13:29:21,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:29:21,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:29:21,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:29:21,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:29:21,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:29:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:29:22,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-19 13:29:22,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:30:11,955 WARN L286 SmtUtils]: Spent 5.05s 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) [2024-11-19 13:30:49,346 WARN L286 SmtUtils]: Spent 11.00s on a formula simplification. DAG size of input: 30 DAG size of output: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)