./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:35:18,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:35:18,068 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:35:18,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:35:18,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:35:18,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:35:18,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:35:18,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:35:18,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:35:18,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:35:18,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:35:18,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:35:18,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:35:18,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:35:18,092 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:35:18,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:35:18,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:35:18,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:35:18,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:35:18,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:35:18,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:35:18,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:35:18,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:35:18,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:35:18,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:35:18,100 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:35:18,100 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:35:18,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:35:18,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:35:18,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:35:18,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:35:18,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:35:18,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:35:18,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:35:18,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:35:18,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:35:18,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:35:18,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:35:18,103 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:35:18,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:35:18,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:35:18,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:35:18,104 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:35:18,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:35:18,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2024-11-09 14:35:18,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:35:18,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:35:18,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:35:18,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:35:18,324 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:35:18,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2024-11-09 14:35:19,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:35:19,737 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:35:19,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2024-11-09 14:35:19,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b2701a4/410b62d62482444485c97c73081ea82c/FLAG391b37f6e [2024-11-09 14:35:20,086 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72b2701a4/410b62d62482444485c97c73081ea82c [2024-11-09 14:35:20,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:35:20,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:35:20,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:35:20,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:35:20,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:35:20,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4443ccc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20, skipping insertion in model container [2024-11-09 14:35:20,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:35:20,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:35:20,545 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:35:20,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:35:20,657 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:35:20,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20 WrapperNode [2024-11-09 14:35:20,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:35:20,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:35:20,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:35:20,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:35:20,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,764 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1629 [2024-11-09 14:35:20,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:35:20,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:35:20,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:35:20,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:35:20,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,872 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [267, 2, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 62 writes are split as follows [58, 0, 4]. [2024-11-09 14:35:20,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:35:20,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:35:20,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:35:20,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:35:20,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (1/1) ... [2024-11-09 14:35:20,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:35:20,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:20,964 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) [2024-11-09 14:35:20,966 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 [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 14:35:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 14:35:20,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 14:35:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-09 14:35:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 14:35:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 14:35:20,998 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 14:35:20,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 14:35:20,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:35:20,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:35:21,174 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:35:21,175 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:35:22,318 INFO L? ?]: Removed 358 outVars from TransFormulas that were not future-live. [2024-11-09 14:35:22,318 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:35:22,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:35:22,336 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-09 14:35:22,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:35:22 BoogieIcfgContainer [2024-11-09 14:35:22,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:35:22,338 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:35:22,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:35:22,341 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:35:22,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:35:20" (1/3) ... [2024-11-09 14:35:22,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507d8d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:35:22, skipping insertion in model container [2024-11-09 14:35:22,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:35:20" (2/3) ... [2024-11-09 14:35:22,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507d8d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:35:22, skipping insertion in model container [2024-11-09 14:35:22,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:35:22" (3/3) ... [2024-11-09 14:35:22,343 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test3-2.i [2024-11-09 14:35:22,354 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:35:22,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 14:35:22,419 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:35:22,425 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;@601736fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:35:22,426 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 14:35:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 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) [2024-11-09 14:35:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 14:35:22,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:22,436 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:22,437 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)] === [2024-11-09 14:35:22,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:22,441 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-09 14:35:22,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:22,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641294464] [2024-11-09 14:35:22,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:22,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:35:22,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:22,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641294464] [2024-11-09 14:35:22,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641294464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:22,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:22,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:35:22,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740933443] [2024-11-09 14:35:22,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:22,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 14:35:22,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:22,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 14:35:22,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 14:35:22,614 INFO L87 Difference]: Start difference. First operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 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) [2024-11-09 14:35:22,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:22,665 INFO L93 Difference]: Finished difference Result 924 states and 1482 transitions. [2024-11-09 14:35:22,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 14:35:22,667 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 [2024-11-09 14:35:22,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:22,675 INFO L225 Difference]: With dead ends: 924 [2024-11-09 14:35:22,675 INFO L226 Difference]: Without dead ends: 420 [2024-11-09 14:35:22,679 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 [2024-11-09 14:35:22,681 INFO L432 NwaCegarLoop]: 659 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, 659 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 [2024-11-09 14:35:22,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:35:22,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-09 14:35:22,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-09 14:35:22,758 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) [2024-11-09 14:35:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-11-09 14:35:22,761 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 7 [2024-11-09 14:35:22,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:22,761 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-11-09 14:35:22,762 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) [2024-11-09 14:35:22,762 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-11-09 14:35:22,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 14:35:22,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:22,762 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:22,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:35:22,763 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)] === [2024-11-09 14:35:22,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:22,763 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-09 14:35:22,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:22,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697577750] [2024-11-09 14:35:22,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:22,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 14:35:22,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2015106815] [2024-11-09 14:35:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:22,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:22,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:22,799 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) [2024-11-09 14:35:22,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 14:35:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:22,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 14:35:22,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:22,965 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 [2024-11-09 14:35:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:35:22,989 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:22,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:22,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697577750] [2024-11-09 14:35:22,991 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 14:35:22,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015106815] [2024-11-09 14:35:22,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015106815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:22,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:22,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:35:22,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751974222] [2024-11-09 14:35:22,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:22,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:35:22,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:22,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:35:22,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:35:22,993 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) [2024-11-09 14:35:23,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:23,115 INFO L93 Difference]: Finished difference Result 830 states and 1197 transitions. [2024-11-09 14:35:23,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:35:23,116 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 [2024-11-09 14:35:23,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:23,122 INFO L225 Difference]: With dead ends: 830 [2024-11-09 14:35:23,122 INFO L226 Difference]: Without dead ends: 828 [2024-11-09 14:35:23,123 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 [2024-11-09 14:35:23,124 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 [2024-11-09 14:35:23,124 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] [2024-11-09 14:35:23,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-09 14:35:23,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 426. [2024-11-09 14:35:23,152 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) [2024-11-09 14:35:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 610 transitions. [2024-11-09 14:35:23,155 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 610 transitions. Word has length 7 [2024-11-09 14:35:23,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:23,156 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 610 transitions. [2024-11-09 14:35:23,156 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) [2024-11-09 14:35:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2024-11-09 14:35:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 14:35:23,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:23,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:23,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 14:35:23,359 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 [2024-11-09 14:35:23,360 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)] === [2024-11-09 14:35:23,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:23,360 INFO L85 PathProgramCache]: Analyzing trace with hash -157664827, now seen corresponding path program 1 times [2024-11-09 14:35:23,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:23,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277296171] [2024-11-09 14:35:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:23,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:35:23,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277296171] [2024-11-09 14:35:23,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277296171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:23,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:23,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:35:23,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725323320] [2024-11-09 14:35:23,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:23,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:35:23,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:23,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:35:23,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:35:23,486 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) [2024-11-09 14:35:23,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:23,576 INFO L93 Difference]: Finished difference Result 1038 states and 1500 transitions. [2024-11-09 14:35:23,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:35:23,579 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 [2024-11-09 14:35:23,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:23,583 INFO L225 Difference]: With dead ends: 1038 [2024-11-09 14:35:23,583 INFO L226 Difference]: Without dead ends: 827 [2024-11-09 14:35:23,584 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 [2024-11-09 14:35:23,586 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 572 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1741 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 [2024-11-09 14:35:23,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1741 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:35:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-09 14:35:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 426. [2024-11-09 14:35:23,601 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) [2024-11-09 14:35:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 609 transitions. [2024-11-09 14:35:23,603 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 609 transitions. Word has length 10 [2024-11-09 14:35:23,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:23,603 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 609 transitions. [2024-11-09 14:35:23,603 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) [2024-11-09 14:35:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2024-11-09 14:35:23,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 14:35:23,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:23,606 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] [2024-11-09 14:35:23,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:35:23,607 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)] === [2024-11-09 14:35:23,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-09 14:35:23,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:23,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588702348] [2024-11-09 14:35:23,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:23,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:35:23,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:23,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588702348] [2024-11-09 14:35:23,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588702348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:23,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:23,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 14:35:23,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987797338] [2024-11-09 14:35:23,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:23,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:35:23,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:23,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:35:23,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:35:23,929 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) [2024-11-09 14:35:24,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:24,000 INFO L93 Difference]: Finished difference Result 802 states and 1144 transitions. [2024-11-09 14:35:24,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:35:24,001 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 [2024-11-09 14:35:24,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:24,002 INFO L225 Difference]: With dead ends: 802 [2024-11-09 14:35:24,002 INFO L226 Difference]: Without dead ends: 384 [2024-11-09 14:35:24,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:35:24,003 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 27 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:24,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 1482 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:35:24,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-09 14:35:24,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-09 14:35:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 366 states have (on average 1.4098360655737705) internal successors, (516), 378 states have internal predecessors, (516), 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) [2024-11-09 14:35:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 532 transitions. [2024-11-09 14:35:24,015 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 532 transitions. Word has length 81 [2024-11-09 14:35:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:24,016 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 532 transitions. [2024-11-09 14:35:24,016 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) [2024-11-09 14:35:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 532 transitions. [2024-11-09 14:35:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 14:35:24,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:24,019 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] [2024-11-09 14:35:24,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:35:24,020 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)] === [2024-11-09 14:35:24,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:24,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1580811434, now seen corresponding path program 1 times [2024-11-09 14:35:24,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:24,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686911261] [2024-11-09 14:35:24,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:24,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:35:24,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:24,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686911261] [2024-11-09 14:35:24,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686911261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:24,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:24,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:35:24,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99423230] [2024-11-09 14:35:24,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:24,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:35:24,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:24,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:35:24,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:35:24,151 INFO L87 Difference]: Start difference. First operand 384 states and 532 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) [2024-11-09 14:35:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:24,220 INFO L93 Difference]: Finished difference Result 1029 states and 1445 transitions. [2024-11-09 14:35:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:35:24,220 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 [2024-11-09 14:35:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:24,222 INFO L225 Difference]: With dead ends: 1029 [2024-11-09 14:35:24,222 INFO L226 Difference]: Without dead ends: 653 [2024-11-09 14:35:24,223 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 [2024-11-09 14:35:24,224 INFO L432 NwaCegarLoop]: 733 mSDtfsCounter, 316 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:24,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 1234 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 14:35:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2024-11-09 14:35:24,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 631. [2024-11-09 14:35:24,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 613 states have (on average 1.4241435562805873) internal successors, (873), 625 states have internal predecessors, (873), 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) [2024-11-09 14:35:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 889 transitions. [2024-11-09 14:35:24,235 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 889 transitions. Word has length 81 [2024-11-09 14:35:24,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:24,235 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 889 transitions. [2024-11-09 14:35:24,236 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) [2024-11-09 14:35:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 889 transitions. [2024-11-09 14:35:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 14:35:24,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:24,237 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] [2024-11-09 14:35:24,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 14:35:24,237 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)] === [2024-11-09 14:35:24,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:24,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1560347521, now seen corresponding path program 1 times [2024-11-09 14:35:24,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:24,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422064894] [2024-11-09 14:35:24,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:24,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:24,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:35:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:24,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:35:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:24,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:24,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422064894] [2024-11-09 14:35:24,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422064894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:24,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:24,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:35:24,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426943112] [2024-11-09 14:35:24,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:24,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:35:24,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:24,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:35:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:35:24,351 INFO L87 Difference]: Start difference. First operand 631 states and 889 transitions. Second operand has 4 states, 4 states have (on average 22.25) 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) [2024-11-09 14:35:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:24,546 INFO L93 Difference]: Finished difference Result 1229 states and 1744 transitions. [2024-11-09 14:35:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:35:24,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) 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 [2024-11-09 14:35:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:24,548 INFO L225 Difference]: With dead ends: 1229 [2024-11-09 14:35:24,549 INFO L226 Difference]: Without dead ends: 634 [2024-11-09 14:35:24,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:35:24,552 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 7 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:24,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1422 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 14:35:24,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-11-09 14:35:24,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 631. [2024-11-09 14:35:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 613 states have (on average 1.4143556280587275) internal successors, (867), 625 states have internal predecessors, (867), 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) [2024-11-09 14:35:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 883 transitions. [2024-11-09 14:35:24,569 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 883 transitions. Word has length 96 [2024-11-09 14:35:24,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:24,569 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 883 transitions. [2024-11-09 14:35:24,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) 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) [2024-11-09 14:35:24,569 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 883 transitions. [2024-11-09 14:35:24,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 14:35:24,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:24,571 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] [2024-11-09 14:35:24,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 14:35:24,571 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)] === [2024-11-09 14:35:24,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:24,572 INFO L85 PathProgramCache]: Analyzing trace with hash 543228923, now seen corresponding path program 1 times [2024-11-09 14:35:24,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:24,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426716738] [2024-11-09 14:35:24,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:24,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:35:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:35:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:24,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:24,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426716738] [2024-11-09 14:35:24,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426716738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:24,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:24,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 14:35:24,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829137388] [2024-11-09 14:35:24,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:24,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:35:24,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:24,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:35:24,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:35:24,823 INFO L87 Difference]: Start difference. First operand 631 states and 883 transitions. Second operand has 5 states, 4 states have (on average 22.25) 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) [2024-11-09 14:35:25,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:25,093 INFO L93 Difference]: Finished difference Result 939 states and 1325 transitions. [2024-11-09 14:35:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:35:25,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) 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 [2024-11-09 14:35:25,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:25,097 INFO L225 Difference]: With dead ends: 939 [2024-11-09 14:35:25,097 INFO L226 Difference]: Without dead ends: 937 [2024-11-09 14:35:25,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:35:25,098 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 409 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:25,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 1986 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 14:35:25,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-11-09 14:35:25,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 695. [2024-11-09 14:35:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.4020771513353116) internal successors, (945), 686 states have internal predecessors, (945), 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) [2024-11-09 14:35:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 967 transitions. [2024-11-09 14:35:25,127 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 967 transitions. Word has length 96 [2024-11-09 14:35:25,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:25,127 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 967 transitions. [2024-11-09 14:35:25,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) 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) [2024-11-09 14:35:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 967 transitions. [2024-11-09 14:35:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 14:35:25,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:25,128 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] [2024-11-09 14:35:25,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 14:35:25,129 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)] === [2024-11-09 14:35:25,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:25,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1882511398, now seen corresponding path program 1 times [2024-11-09 14:35:25,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:25,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257102057] [2024-11-09 14:35:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:25,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 14:35:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:25,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 14:35:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:35:25,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:25,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257102057] [2024-11-09 14:35:25,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257102057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:25,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840732320] [2024-11-09 14:35:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:25,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:25,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:25,450 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) [2024-11-09 14:35:25,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 14:35:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:25,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 14:35:25,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:25,743 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 [2024-11-09 14:35:25,761 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 [2024-11-09 14:35:25,778 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 [2024-11-09 14:35:26,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 14:35:26,156 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 [2024-11-09 14:35:26,340 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:26,341 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:26,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840732320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:26,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:35:26,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-09 14:35:26,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481780854] [2024-11-09 14:35:26,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:26,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:35:26,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:26,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:35:26,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-09 14:35:26,344 INFO L87 Difference]: Start difference. First operand 695 states and 967 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) [2024-11-09 14:35:27,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:27,759 INFO L93 Difference]: Finished difference Result 1585 states and 2233 transitions. [2024-11-09 14:35:27,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:35:27,760 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 [2024-11-09 14:35:27,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:27,763 INFO L225 Difference]: With dead ends: 1585 [2024-11-09 14:35:27,763 INFO L226 Difference]: Without dead ends: 936 [2024-11-09 14:35:27,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-09 14:35:27,765 INFO L432 NwaCegarLoop]: 531 mSDtfsCounter, 601 mSDsluCounter, 3476 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 4007 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:27,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 4007 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 14:35:27,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-09 14:35:27,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 695. [2024-11-09 14:35:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 674 states have (on average 1.400593471810089) internal successors, (944), 686 states have internal predecessors, (944), 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) [2024-11-09 14:35:27,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 966 transitions. [2024-11-09 14:35:27,779 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 966 transitions. Word has length 102 [2024-11-09 14:35:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:27,779 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 966 transitions. [2024-11-09 14:35:27,779 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) [2024-11-09 14:35:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 966 transitions. [2024-11-09 14:35:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 14:35:27,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:27,780 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] [2024-11-09 14:35:27,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 14:35:27,980 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 [2024-11-09 14:35:27,981 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)] === [2024-11-09 14:35:27,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:27,981 INFO L85 PathProgramCache]: Analyzing trace with hash 882787763, now seen corresponding path program 1 times [2024-11-09 14:35:27,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:27,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918554970] [2024-11-09 14:35:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:27,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:28,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-09 14:35:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:28,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-09 14:35:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:35:28,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:28,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918554970] [2024-11-09 14:35:28,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918554970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:28,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665599998] [2024-11-09 14:35:28,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:28,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:28,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:28,312 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) [2024-11-09 14:35:28,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 14:35:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:28,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 14:35:28,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:28,579 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 [2024-11-09 14:35:28,591 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 [2024-11-09 14:35:28,603 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 [2024-11-09 14:35:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:29,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:29,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665599998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:29,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:35:29,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-09 14:35:29,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114909968] [2024-11-09 14:35:29,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:29,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 14:35:29,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:29,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 14:35:29,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-09 14:35:29,194 INFO L87 Difference]: Start difference. First operand 695 states and 966 transitions. Second operand has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:35:30,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:30,027 INFO L93 Difference]: Finished difference Result 1596 states and 2249 transitions. [2024-11-09 14:35:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 14:35:30,027 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 103 [2024-11-09 14:35:30,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:30,030 INFO L225 Difference]: With dead ends: 1596 [2024-11-09 14:35:30,031 INFO L226 Difference]: Without dead ends: 952 [2024-11-09 14:35:30,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-09 14:35:30,032 INFO L432 NwaCegarLoop]: 484 mSDtfsCounter, 685 mSDsluCounter, 1867 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:30,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 2351 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 14:35:30,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-11-09 14:35:30,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 707. [2024-11-09 14:35:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 686 states have (on average 1.3994169096209912) internal successors, (960), 698 states have internal predecessors, (960), 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) [2024-11-09 14:35:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 982 transitions. [2024-11-09 14:35:30,071 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 982 transitions. Word has length 103 [2024-11-09 14:35:30,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:30,071 INFO L471 AbstractCegarLoop]: Abstraction has 707 states and 982 transitions. [2024-11-09 14:35:30,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:35:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 982 transitions. [2024-11-09 14:35:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 14:35:30,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:30,073 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:30,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 14:35:30,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:30,279 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)] === [2024-11-09 14:35:30,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:30,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1792432114, now seen corresponding path program 1 times [2024-11-09 14:35:30,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:30,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635889671] [2024-11-09 14:35:30,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:30,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 14:35:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:30,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:35:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:30,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:30,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635889671] [2024-11-09 14:35:30,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635889671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:30,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:30,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 14:35:30,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651490725] [2024-11-09 14:35:30,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:30,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 14:35:30,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:30,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 14:35:30,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:35:30,525 INFO L87 Difference]: Start difference. First operand 707 states and 982 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 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) [2024-11-09 14:35:30,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:30,938 INFO L93 Difference]: Finished difference Result 1367 states and 1919 transitions. [2024-11-09 14:35:30,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:35:30,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 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 104 [2024-11-09 14:35:30,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:30,941 INFO L225 Difference]: With dead ends: 1367 [2024-11-09 14:35:30,941 INFO L226 Difference]: Without dead ends: 720 [2024-11-09 14:35:30,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 14:35:30,942 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 20 mSDsluCounter, 2541 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 3036 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:30,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 3036 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 14:35:30,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-09 14:35:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 715. [2024-11-09 14:35:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 694 states have (on average 1.3976945244956773) internal successors, (970), 706 states have internal predecessors, (970), 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) [2024-11-09 14:35:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 992 transitions. [2024-11-09 14:35:30,956 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 992 transitions. Word has length 104 [2024-11-09 14:35:30,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:30,957 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 992 transitions. [2024-11-09 14:35:30,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 7 states have internal predecessors, (97), 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) [2024-11-09 14:35:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 992 transitions. [2024-11-09 14:35:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 14:35:30,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:30,959 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:30,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 14:35:30,959 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:30,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:30,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1025280917, now seen corresponding path program 1 times [2024-11-09 14:35:30,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:30,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205155846] [2024-11-09 14:35:30,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:30,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:31,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 14:35:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:31,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 14:35:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:31,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:31,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205155846] [2024-11-09 14:35:31,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205155846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:31,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:31,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 14:35:31,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840499125] [2024-11-09 14:35:31,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:31,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:35:31,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:31,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:35:31,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:35:31,222 INFO L87 Difference]: Start difference. First operand 715 states and 992 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-09 14:35:31,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:31,542 INFO L93 Difference]: Finished difference Result 1382 states and 1939 transitions. [2024-11-09 14:35:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:35:31,542 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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 104 [2024-11-09 14:35:31,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:31,544 INFO L225 Difference]: With dead ends: 1382 [2024-11-09 14:35:31,545 INFO L226 Difference]: Without dead ends: 724 [2024-11-09 14:35:31,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 14:35:31,547 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 15 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2229 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:31,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2229 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:35:31,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2024-11-09 14:35:31,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 721. [2024-11-09 14:35:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 700 states have (on average 1.3942857142857144) internal successors, (976), 712 states have internal predecessors, (976), 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) [2024-11-09 14:35:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 998 transitions. [2024-11-09 14:35:31,560 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 998 transitions. Word has length 104 [2024-11-09 14:35:31,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:31,560 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 998 transitions. [2024-11-09 14:35:31,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-09 14:35:31,560 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 998 transitions. [2024-11-09 14:35:31,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 14:35:31,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:31,561 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:31,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 14:35:31,561 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:31,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:31,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1096518439, now seen corresponding path program 1 times [2024-11-09 14:35:31,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:31,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309472156] [2024-11-09 14:35:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:31,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:31,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:35:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:31,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 14:35:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:35:31,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:31,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309472156] [2024-11-09 14:35:31,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309472156] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:31,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096461474] [2024-11-09 14:35:31,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:31,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:31,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:31,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:35:31,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 14:35:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:32,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 14:35:32,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:32,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:32,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096461474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:32,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:35:32,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-09 14:35:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921541860] [2024-11-09 14:35:32,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:32,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:35:32,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:32,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:35:32,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:35:32,159 INFO L87 Difference]: Start difference. First operand 721 states and 998 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-09 14:35:32,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:32,408 INFO L93 Difference]: Finished difference Result 1393 states and 1945 transitions. [2024-11-09 14:35:32,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 14:35:32,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 105 [2024-11-09 14:35:32,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:32,411 INFO L225 Difference]: With dead ends: 1393 [2024-11-09 14:35:32,411 INFO L226 Difference]: Without dead ends: 725 [2024-11-09 14:35:32,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-09 14:35:32,413 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 43 mSDsluCounter, 2201 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:32,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 2702 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 14:35:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-09 14:35:32,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 713. [2024-11-09 14:35:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 692 states have (on average 1.3901734104046244) internal successors, (962), 704 states have internal predecessors, (962), 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) [2024-11-09 14:35:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 984 transitions. [2024-11-09 14:35:32,426 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 984 transitions. Word has length 105 [2024-11-09 14:35:32,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:32,427 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 984 transitions. [2024-11-09 14:35:32,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-09 14:35:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 984 transitions. [2024-11-09 14:35:32,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 14:35:32,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:32,428 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:32,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 14:35:32,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:32,633 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:32,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:32,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2097833392, now seen corresponding path program 1 times [2024-11-09 14:35:32,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:32,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891049726] [2024-11-09 14:35:32,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:32,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-09 14:35:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 14:35:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:35:32,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:32,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891049726] [2024-11-09 14:35:32,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891049726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:32,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542229247] [2024-11-09 14:35:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:32,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:32,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:35:32,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 14:35:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:33,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 14:35:33,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:43,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:43,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542229247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:43,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:35:43,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-09 14:35:43,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699823956] [2024-11-09 14:35:43,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:43,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 14:35:43,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:43,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 14:35:43,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:35:43,769 INFO L87 Difference]: Start difference. First operand 713 states and 984 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-09 14:35:47,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 14:35:50,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:50,006 INFO L93 Difference]: Finished difference Result 1371 states and 1910 transitions. [2024-11-09 14:35:50,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 14:35:50,007 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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 105 [2024-11-09 14:35:50,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:50,009 INFO L225 Difference]: With dead ends: 1371 [2024-11-09 14:35:50,009 INFO L226 Difference]: Without dead ends: 723 [2024-11-09 14:35:50,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:35:50,012 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 12 mSDsluCounter, 2176 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:50,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2681 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 423 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-09 14:35:50,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-09 14:35:50,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 713. [2024-11-09 14:35:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 692 states have (on average 1.3901734104046244) internal successors, (962), 704 states have internal predecessors, (962), 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) [2024-11-09 14:35:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 984 transitions. [2024-11-09 14:35:50,025 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 984 transitions. Word has length 105 [2024-11-09 14:35:50,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:50,025 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 984 transitions. [2024-11-09 14:35:50,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 7 states have internal predecessors, (98), 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) [2024-11-09 14:35:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 984 transitions. [2024-11-09 14:35:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 14:35:50,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:50,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:50,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 14:35:50,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 14:35:50,227 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:50,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:50,227 INFO L85 PathProgramCache]: Analyzing trace with hash 530370848, now seen corresponding path program 1 times [2024-11-09 14:35:50,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:50,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918441798] [2024-11-09 14:35:50,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:50,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:50,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:35:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:50,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 14:35:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:50,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:50,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918441798] [2024-11-09 14:35:50,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918441798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:50,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:35:50,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 14:35:50,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927624698] [2024-11-09 14:35:50,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:50,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:35:50,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:50,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:35:50,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 14:35:50,625 INFO L87 Difference]: Start difference. First operand 713 states and 984 transitions. Second operand has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 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) [2024-11-09 14:35:51,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:51,201 INFO L93 Difference]: Finished difference Result 1396 states and 1948 transitions. [2024-11-09 14:35:51,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:35:51,201 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 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 107 [2024-11-09 14:35:51,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:51,203 INFO L225 Difference]: With dead ends: 1396 [2024-11-09 14:35:51,203 INFO L226 Difference]: Without dead ends: 748 [2024-11-09 14:35:51,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 14:35:51,205 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 32 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 3549 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:51,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 3549 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 14:35:51,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-09 14:35:51,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 733. [2024-11-09 14:35:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 712 states have (on average 1.3848314606741574) internal successors, (986), 724 states have internal predecessors, (986), 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) [2024-11-09 14:35:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1008 transitions. [2024-11-09 14:35:51,217 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1008 transitions. Word has length 107 [2024-11-09 14:35:51,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:51,217 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1008 transitions. [2024-11-09 14:35:51,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.090909090909092) internal successors, (100), 10 states have internal predecessors, (100), 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) [2024-11-09 14:35:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1008 transitions. [2024-11-09 14:35:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 14:35:51,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:51,218 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:51,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 14:35:51,219 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:51,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:51,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1806623748, now seen corresponding path program 1 times [2024-11-09 14:35:51,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:51,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985516515] [2024-11-09 14:35:51,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:51,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:35:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:51,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 14:35:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:51,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:35:51,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:51,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985516515] [2024-11-09 14:35:51,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985516515] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:51,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597517629] [2024-11-09 14:35:51,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:51,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:51,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:51,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:35:51,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 14:35:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:51,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 14:35:51,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:35:52,007 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:52,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597517629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:52,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:35:52,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-09 14:35:52,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650658683] [2024-11-09 14:35:52,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:52,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:35:52,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:52,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:35:52,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:35:52,008 INFO L87 Difference]: Start difference. First operand 733 states and 1008 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:35:52,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:52,038 INFO L93 Difference]: Finished difference Result 1354 states and 1880 transitions. [2024-11-09 14:35:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:35:52,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-09 14:35:52,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:52,041 INFO L225 Difference]: With dead ends: 1354 [2024-11-09 14:35:52,041 INFO L226 Difference]: Without dead ends: 736 [2024-11-09 14:35:52,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 14:35:52,043 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 0 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:52,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1544 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:35:52,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-09 14:35:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 736. [2024-11-09 14:35:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 714 states have (on average 1.3851540616246498) internal successors, (989), 727 states have internal predecessors, (989), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 14:35:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1013 transitions. [2024-11-09 14:35:52,058 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1013 transitions. Word has length 107 [2024-11-09 14:35:52,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:52,058 INFO L471 AbstractCegarLoop]: Abstraction has 736 states and 1013 transitions. [2024-11-09 14:35:52,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 14:35:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1013 transitions. [2024-11-09 14:35:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 14:35:52,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:52,059 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:52,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 14:35:52,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 14:35:52,260 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:52,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:52,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1971311742, now seen corresponding path program 1 times [2024-11-09 14:35:52,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:52,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689714844] [2024-11-09 14:35:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:52,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:52,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:35:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-09 14:35:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:52,548 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 14:35:52,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:52,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689714844] [2024-11-09 14:35:52,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689714844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:52,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282478466] [2024-11-09 14:35:52,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:52,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:52,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:52,550 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:35:52,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 14:35:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:53,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 14:35:53,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 14:35:53,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:35:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 14:35:53,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282478466] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:35:53,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:35:53,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-09 14:35:53,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559438541] [2024-11-09 14:35:53,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:35:53,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:35:53,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:53,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:35:53,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-09 14:35:53,197 INFO L87 Difference]: Start difference. First operand 736 states and 1013 transitions. Second operand has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 10 states have internal predecessors, (118), 2 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:35:53,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:53,571 INFO L93 Difference]: Finished difference Result 1368 states and 1904 transitions. [2024-11-09 14:35:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 14:35:53,571 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 10 states have internal predecessors, (118), 2 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 109 [2024-11-09 14:35:53,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:53,574 INFO L225 Difference]: With dead ends: 1368 [2024-11-09 14:35:53,574 INFO L226 Difference]: Without dead ends: 747 [2024-11-09 14:35:53,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-09 14:35:53,575 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 10 mSDsluCounter, 2458 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:53,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2972 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:35:53,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2024-11-09 14:35:53,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 745. [2024-11-09 14:35:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 745 states, 722 states have (on average 1.389196675900277) internal successors, (1003), 735 states have internal predecessors, (1003), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 14:35:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1027 transitions. [2024-11-09 14:35:53,587 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1027 transitions. Word has length 109 [2024-11-09 14:35:53,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:53,587 INFO L471 AbstractCegarLoop]: Abstraction has 745 states and 1027 transitions. [2024-11-09 14:35:53,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.727272727272727) internal successors, (118), 10 states have internal predecessors, (118), 2 states have call successors, (5), 3 states have call predecessors, (5), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:35:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1027 transitions. [2024-11-09 14:35:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 14:35:53,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:53,588 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:53,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 14:35:53,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:53,789 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:53,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:53,789 INFO L85 PathProgramCache]: Analyzing trace with hash 630201636, now seen corresponding path program 2 times [2024-11-09 14:35:53,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:53,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204506645] [2024-11-09 14:35:53,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:53,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:54,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:35:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:54,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 14:35:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:54,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:54,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204506645] [2024-11-09 14:35:54,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204506645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:54,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471351] [2024-11-09 14:35:54,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 14:35:54,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:54,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:54,225 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:35:54,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 14:35:54,473 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 14:35:54,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:35:54,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 14:35:54,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:54,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-11-09 14:35:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-09 14:35:54,491 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:54,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:54,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:35:54,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2024-11-09 14:35:54,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76369725] [2024-11-09 14:35:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:54,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:35:54,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:54,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:35:54,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:35:54,492 INFO L87 Difference]: Start difference. First operand 745 states and 1027 transitions. Second operand has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-11-09 14:35:54,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:54,506 INFO L93 Difference]: Finished difference Result 745 states and 1027 transitions. [2024-11-09 14:35:54,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:35:54,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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 113 [2024-11-09 14:35:54,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:54,510 INFO L225 Difference]: With dead ends: 745 [2024-11-09 14:35:54,510 INFO L226 Difference]: Without dead ends: 744 [2024-11-09 14:35:54,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 14:35:54,511 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 1 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:54,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1028 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 14:35:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-09 14:35:54,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2024-11-09 14:35:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 722 states have (on average 1.3878116343490305) internal successors, (1002), 734 states have internal predecessors, (1002), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 14:35:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1026 transitions. [2024-11-09 14:35:54,525 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1026 transitions. Word has length 113 [2024-11-09 14:35:54,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:54,525 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1026 transitions. [2024-11-09 14:35:54,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.0) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-11-09 14:35:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1026 transitions. [2024-11-09 14:35:54,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 14:35:54,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:54,526 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:54,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 14:35:54,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 14:35:54,727 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:54,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:54,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1938585681, now seen corresponding path program 1 times [2024-11-09 14:35:54,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:54,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860148942] [2024-11-09 14:35:54,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:54,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:55,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:35:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:55,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 14:35:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 14:35:55,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:55,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860148942] [2024-11-09 14:35:55,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860148942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:55,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118793472] [2024-11-09 14:35:55,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:55,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:55,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:55,140 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:35:55,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 14:35:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:55,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 14:35:55,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:55,755 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 14:35:55,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 14:35:55,869 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 14:35:55,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118793472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 14:35:55,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 14:35:55,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 6] total 20 [2024-11-09 14:35:55,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840476598] [2024-11-09 14:35:55,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 14:35:55,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 14:35:55,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 14:35:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-09 14:35:55,871 INFO L87 Difference]: Start difference. First operand 744 states and 1026 transitions. Second operand has 20 states, 20 states have (on average 6.4) internal successors, (128), 19 states have internal predecessors, (128), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:35:56,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:56,262 INFO L93 Difference]: Finished difference Result 1390 states and 1942 transitions. [2024-11-09 14:35:56,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-09 14:35:56,263 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.4) internal successors, (128), 19 states have internal predecessors, (128), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 114 [2024-11-09 14:35:56,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:56,265 INFO L225 Difference]: With dead ends: 1390 [2024-11-09 14:35:56,265 INFO L226 Difference]: Without dead ends: 757 [2024-11-09 14:35:56,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2024-11-09 14:35:56,267 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 40 mSDsluCounter, 2390 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:56,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2891 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 14:35:56,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-09 14:35:56,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 751. [2024-11-09 14:35:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 729 states have (on average 1.3895747599451302) internal successors, (1013), 741 states have internal predecessors, (1013), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 14:35:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1037 transitions. [2024-11-09 14:35:56,279 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1037 transitions. Word has length 114 [2024-11-09 14:35:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:56,279 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1037 transitions. [2024-11-09 14:35:56,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.4) internal successors, (128), 19 states have internal predecessors, (128), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 14:35:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1037 transitions. [2024-11-09 14:35:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 14:35:56,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:56,280 INFO L215 NwaCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:56,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 14:35:56,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 14:35:56,481 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:35:56,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:35:56,481 INFO L85 PathProgramCache]: Analyzing trace with hash -157301514, now seen corresponding path program 2 times [2024-11-09 14:35:56,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:35:56,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088298616] [2024-11-09 14:35:56,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:35:56,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:35:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:35:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:56,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:35:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:35:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 14:35:56,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:35:56,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088298616] [2024-11-09 14:35:56,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088298616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:35:56,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078455937] [2024-11-09 14:35:56,908 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 14:35:56,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:35:56,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:35:56,910 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:35:56,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 14:35:57,882 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 14:35:57,882 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 14:35:57,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 14:35:57,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:35:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-09 14:35:58,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 14:35:58,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078455937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:35:58,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 14:35:58,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2024-11-09 14:35:58,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676507211] [2024-11-09 14:35:58,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:35:58,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 14:35:58,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:35:58,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 14:35:58,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-09 14:35:58,269 INFO L87 Difference]: Start difference. First operand 751 states and 1037 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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) [2024-11-09 14:35:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 14:35:59,841 INFO L93 Difference]: Finished difference Result 1457 states and 2031 transitions. [2024-11-09 14:35:59,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 14:35:59,842 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 121 [2024-11-09 14:35:59,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 14:35:59,844 INFO L225 Difference]: With dead ends: 1457 [2024-11-09 14:35:59,844 INFO L226 Difference]: Without dead ends: 781 [2024-11-09 14:35:59,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2024-11-09 14:35:59,845 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 18 mSDsluCounter, 3924 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4428 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 14:35:59,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4428 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 14:35:59,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-11-09 14:35:59,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 775. [2024-11-09 14:35:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 753 states have (on average 1.3851261620185924) internal successors, (1043), 765 states have internal predecessors, (1043), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2024-11-09 14:35:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 1067 transitions. [2024-11-09 14:35:59,857 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 1067 transitions. Word has length 121 [2024-11-09 14:35:59,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 14:35:59,857 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 1067 transitions. [2024-11-09 14:35:59,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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) [2024-11-09 14:35:59,857 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1067 transitions. [2024-11-09 14:35:59,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-09 14:35:59,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 14:35:59,858 INFO L215 NwaCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:35:59,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 14:36:00,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:36:00,060 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 14:36:00,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:36:00,060 INFO L85 PathProgramCache]: Analyzing trace with hash 315031165, now seen corresponding path program 1 times [2024-11-09 14:36:00,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:36:00,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992152543] [2024-11-09 14:36:00,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:36:00,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:36:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:00,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 14:36:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 14:36:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 14:36:00,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:36:00,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992152543] [2024-11-09 14:36:00,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992152543] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 14:36:00,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945668573] [2024-11-09 14:36:00,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:36:00,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 14:36:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:36:00,541 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 14:36:00,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 14:36:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:36:01,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-09 14:36:01,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 14:36:01,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-09 14:36:01,348 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-11-09 14:36:01,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 33 [2024-11-09 14:36:01,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-09 14:36:01,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2024-11-09 14:36:01,520 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-09 14:36:01,520 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41