./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.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 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:12:29,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:12:29,972 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:12:29,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:12:29,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:12:30,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:12:30,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:12:30,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:12:30,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:12:30,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:12:30,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:12:30,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:12:30,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:12:30,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:12:30,007 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:12:30,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:12:30,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:12:30,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:12:30,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:12:30,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:12:30,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:12:30,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:12:30,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:12:30,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:12:30,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:12:30,010 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:12:30,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:12:30,011 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:12:30,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:12:30,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:12:30,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:12:30,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:12:30,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:12:30,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:12:30,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:12:30,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:12:30,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:12:30,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:12:30,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:12:30,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:12:30,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:12:30,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:12:30,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:12:30,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:12:30,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 [2024-10-13 16:12:30,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:12:30,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:12:30,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:12:30,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:12:30,311 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:12:30,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2024-10-13 16:12:31,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:12:31,946 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:12:31,947 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2024-10-13 16:12:31,970 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be73a93d/57e8b5b73402401db462311983f1851d/FLAGfb0c5c7ff [2024-10-13 16:12:31,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be73a93d/57e8b5b73402401db462311983f1851d [2024-10-13 16:12:31,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:12:31,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:12:31,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:12:31,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:12:32,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:12:32,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:12:31" (1/1) ... [2024-10-13 16:12:32,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217ff7d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32, skipping insertion in model container [2024-10-13 16:12:32,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:12:31" (1/1) ... [2024-10-13 16:12:32,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:12:32,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:12:32,648 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:12:32,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:12:32,780 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:12:32,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32 WrapperNode [2024-10-13 16:12:32,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:12:32,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:12:32,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:12:32,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:12:32,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:32,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:32,912 INFO L138 Inliner]: procedures = 177, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2361 [2024-10-13 16:12:32,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:12:32,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:12:32,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:12:32,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:12:32,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:32,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:32,937 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,084 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 24, 417]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 1, 98]. [2024-10-13 16:12:33,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:12:33,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:12:33,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:12:33,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:12:33,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (1/1) ... [2024-10-13 16:12:33,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:12:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:33,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:12:33,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:12:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:12:33,297 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:12:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:12:33,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:12:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:12:33,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:12:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:12:33,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:12:33,299 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:12:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:12:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:12:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:12:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:12:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:12:33,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:12:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:12:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:12:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:12:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:12:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:12:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:12:33,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:12:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:12:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:12:33,615 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:12:33,617 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:12:35,511 INFO L? ?]: Removed 535 outVars from TransFormulas that were not future-live. [2024-10-13 16:12:35,511 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:12:35,572 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:12:35,572 INFO L314 CfgBuilder]: Removed 100 assume(true) statements. [2024-10-13 16:12:35,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:12:35 BoogieIcfgContainer [2024-10-13 16:12:35,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:12:35,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:12:35,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:12:35,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:12:35,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:12:31" (1/3) ... [2024-10-13 16:12:35,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109dfead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:12:35, skipping insertion in model container [2024-10-13 16:12:35,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:12:32" (2/3) ... [2024-10-13 16:12:35,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109dfead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:12:35, skipping insertion in model container [2024-10-13 16:12:35,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:12:35" (3/3) ... [2024-10-13 16:12:35,586 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-3.i [2024-10-13 16:12:35,601 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:12:35,602 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-13 16:12:35,691 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:12:35,698 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;@27a40be9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:12:35,699 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-13 16:12:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 645 states, 618 states have (on average 1.6375404530744337) internal successors, (1012), 635 states have internal predecessors, (1012), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 16:12:35,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 16:12:35,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:35,713 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 16:12:35,715 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:35,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:35,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1942633980, now seen corresponding path program 1 times [2024-10-13 16:12:35,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:35,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035707096] [2024-10-13 16:12:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:35,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:35,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035707096] [2024-10-13 16:12:35,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035707096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:35,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:35,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:12:35,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148291719] [2024-10-13 16:12:35,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:35,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:12:35,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:35,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:12:35,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:12:35,892 INFO L87 Difference]: Start difference. First operand has 645 states, 618 states have (on average 1.6375404530744337) internal successors, (1012), 635 states have internal predecessors, (1012), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:35,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:35,982 INFO L93 Difference]: Finished difference Result 1285 states and 2079 transitions. [2024-10-13 16:12:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:12:35,988 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2024-10-13 16:12:35,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:36,001 INFO L225 Difference]: With dead ends: 1285 [2024-10-13 16:12:36,001 INFO L226 Difference]: Without dead ends: 575 [2024-10-13 16:12:36,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:12:36,009 INFO L432 NwaCegarLoop]: 919 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:36,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 919 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:36,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-10-13 16:12:36,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2024-10-13 16:12:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 554 states have (on average 1.4657039711191335) internal successors, (812), 566 states have internal predecessors, (812), 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) [2024-10-13 16:12:36,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 834 transitions. [2024-10-13 16:12:36,104 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 834 transitions. Word has length 5 [2024-10-13 16:12:36,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:36,104 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 834 transitions. [2024-10-13 16:12:36,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 834 transitions. [2024-10-13 16:12:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:12:36,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:36,107 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:12:36,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:12:36,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:36,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:36,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1445067953, now seen corresponding path program 1 times [2024-10-13 16:12:36,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:36,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671164221] [2024-10-13 16:12:36,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:36,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:36,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:36,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671164221] [2024-10-13 16:12:36,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671164221] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:36,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:36,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:12:36,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990296515] [2024-10-13 16:12:36,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:36,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:12:36,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:36,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:12:36,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:36,192 INFO L87 Difference]: Start difference. First operand 575 states and 834 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:36,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:36,287 INFO L93 Difference]: Finished difference Result 1313 states and 1920 transitions. [2024-10-13 16:12:36,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:12:36,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-13 16:12:36,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:36,294 INFO L225 Difference]: With dead ends: 1313 [2024-10-13 16:12:36,294 INFO L226 Difference]: Without dead ends: 1133 [2024-10-13 16:12:36,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:36,296 INFO L432 NwaCegarLoop]: 912 mSDtfsCounter, 793 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:36,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1727 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:36,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-13 16:12:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 746. [2024-10-13 16:12:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 720 states have (on average 1.475) internal successors, (1062), 737 states have internal predecessors, (1062), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:12:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1094 transitions. [2024-10-13 16:12:36,329 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1094 transitions. Word has length 6 [2024-10-13 16:12:36,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:36,330 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1094 transitions. [2024-10-13 16:12:36,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:36,330 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1094 transitions. [2024-10-13 16:12:36,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:12:36,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:36,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:12:36,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:12:36,331 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:36,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:36,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1488171509, now seen corresponding path program 1 times [2024-10-13 16:12:36,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:36,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257692477] [2024-10-13 16:12:36,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:12:36,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1779666995] [2024-10-13 16:12:36,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:36,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:36,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:36,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:36,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:12:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:36,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 16:12:36,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:36,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:36,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:36,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:36,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257692477] [2024-10-13 16:12:36,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:12:36,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779666995] [2024-10-13 16:12:36,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1779666995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:36,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:36,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:12:36,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429215188] [2024-10-13 16:12:36,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:36,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:12:36,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:36,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:12:36,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:36,601 INFO L87 Difference]: Start difference. First operand 746 states and 1094 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:36,678 INFO L93 Difference]: Finished difference Result 1136 states and 1654 transitions. [2024-10-13 16:12:36,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:12:36,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-10-13 16:12:36,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:36,687 INFO L225 Difference]: With dead ends: 1136 [2024-10-13 16:12:36,687 INFO L226 Difference]: Without dead ends: 1133 [2024-10-13 16:12:36,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:36,688 INFO L432 NwaCegarLoop]: 864 mSDtfsCounter, 789 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:36,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 1678 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:36,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-13 16:12:36,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 750. [2024-10-13 16:12:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 724 states have (on average 1.4696132596685083) internal successors, (1064), 741 states have internal predecessors, (1064), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:12:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1096 transitions. [2024-10-13 16:12:36,719 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1096 transitions. Word has length 6 [2024-10-13 16:12:36,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:36,720 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1096 transitions. [2024-10-13 16:12:36,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1096 transitions. [2024-10-13 16:12:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:12:36,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:36,726 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:36,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 16:12:36,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:36,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:36,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:36,932 INFO L85 PathProgramCache]: Analyzing trace with hash -345445987, now seen corresponding path program 1 times [2024-10-13 16:12:36,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:36,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011955507] [2024-10-13 16:12:36,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:36,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:37,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011955507] [2024-10-13 16:12:37,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011955507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:37,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:37,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:12:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095736231] [2024-10-13 16:12:37,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:37,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:37,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:37,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:37,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:37,515 INFO L87 Difference]: Start difference. First operand 750 states and 1096 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:37,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:37,615 INFO L93 Difference]: Finished difference Result 1497 states and 2189 transitions. [2024-10-13 16:12:37,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:12:37,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 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 150 [2024-10-13 16:12:37,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:37,620 INFO L225 Difference]: With dead ends: 1497 [2024-10-13 16:12:37,620 INFO L226 Difference]: Without dead ends: 753 [2024-10-13 16:12:37,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:37,622 INFO L432 NwaCegarLoop]: 803 mSDtfsCounter, 103 mSDsluCounter, 1589 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:37,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 2392 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:12:37,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-10-13 16:12:37,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 750. [2024-10-13 16:12:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 724 states have (on average 1.4599447513812154) internal successors, (1057), 741 states have internal predecessors, (1057), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:12:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1089 transitions. [2024-10-13 16:12:37,645 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1089 transitions. Word has length 150 [2024-10-13 16:12:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:37,646 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1089 transitions. [2024-10-13 16:12:37,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:37,646 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1089 transitions. [2024-10-13 16:12:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:12:37,653 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:37,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:37,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:12:37,653 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:37,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:37,654 INFO L85 PathProgramCache]: Analyzing trace with hash -440808151, now seen corresponding path program 1 times [2024-10-13 16:12:37,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:37,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808484391] [2024-10-13 16:12:37,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:37,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:38,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:38,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808484391] [2024-10-13 16:12:38,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808484391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:38,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:38,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:38,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711743517] [2024-10-13 16:12:38,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:38,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:12:38,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:38,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:12:38,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:12:38,035 INFO L87 Difference]: Start difference. First operand 750 states and 1089 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:38,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:38,115 INFO L93 Difference]: Finished difference Result 1446 states and 2097 transitions. [2024-10-13 16:12:38,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:12:38,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 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 150 [2024-10-13 16:12:38,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:38,119 INFO L225 Difference]: With dead ends: 1446 [2024-10-13 16:12:38,119 INFO L226 Difference]: Without dead ends: 702 [2024-10-13 16:12:38,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:38,122 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 9 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:38,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2167 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:38,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-13 16:12:38,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2024-10-13 16:12:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 676 states have (on average 1.4452662721893492) internal successors, (977), 693 states have internal predecessors, (977), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:12:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1009 transitions. [2024-10-13 16:12:38,143 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1009 transitions. Word has length 150 [2024-10-13 16:12:38,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:38,145 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1009 transitions. [2024-10-13 16:12:38,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1009 transitions. [2024-10-13 16:12:38,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:12:38,147 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:38,147 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:38,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:12:38,147 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:38,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:38,148 INFO L85 PathProgramCache]: Analyzing trace with hash 265788455, now seen corresponding path program 1 times [2024-10-13 16:12:38,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:38,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001767410] [2024-10-13 16:12:38,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:38,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:12:38,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:38,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001767410] [2024-10-13 16:12:38,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001767410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:38,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:38,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:12:38,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796163380] [2024-10-13 16:12:38,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:38,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:12:38,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:38,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:12:38,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:38,351 INFO L87 Difference]: Start difference. First operand 702 states and 1009 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:38,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:38,418 INFO L93 Difference]: Finished difference Result 1477 states and 2119 transitions. [2024-10-13 16:12:38,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:12:38,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 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 150 [2024-10-13 16:12:38,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:38,444 INFO L225 Difference]: With dead ends: 1477 [2024-10-13 16:12:38,447 INFO L226 Difference]: Without dead ends: 781 [2024-10-13 16:12:38,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:12:38,449 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 54 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:38,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1480 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:12:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-13 16:12:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2024-10-13 16:12:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 755 states have (on average 1.4344370860927151) internal successors, (1083), 772 states have internal predecessors, (1083), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:12:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1115 transitions. [2024-10-13 16:12:38,467 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1115 transitions. Word has length 150 [2024-10-13 16:12:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:38,467 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1115 transitions. [2024-10-13 16:12:38,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:12:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1115 transitions. [2024-10-13 16:12:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:12:38,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:38,470 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:38,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:12:38,470 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:38,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:38,470 INFO L85 PathProgramCache]: Analyzing trace with hash -602212433, now seen corresponding path program 1 times [2024-10-13 16:12:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:38,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918090115] [2024-10-13 16:12:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:12:38,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:38,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918090115] [2024-10-13 16:12:38,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918090115] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:38,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:38,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:12:38,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362908614] [2024-10-13 16:12:38,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:38,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:38,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:38,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:38,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:38,842 INFO L87 Difference]: Start difference. First operand 781 states and 1115 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:39,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:39,282 INFO L93 Difference]: Finished difference Result 1437 states and 2060 transitions. [2024-10-13 16:12:39,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:12:39,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 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 163 [2024-10-13 16:12:39,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:39,287 INFO L225 Difference]: With dead ends: 1437 [2024-10-13 16:12:39,287 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 16:12:39,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:12:39,288 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 35 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:39,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 2414 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:39,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 16:12:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-13 16:12:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 713 states have (on average 1.4109396914446002) internal successors, (1006), 730 states have internal predecessors, (1006), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:12:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1038 transitions. [2024-10-13 16:12:39,307 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1038 transitions. Word has length 163 [2024-10-13 16:12:39,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:39,308 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1038 transitions. [2024-10-13 16:12:39,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:39,308 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1038 transitions. [2024-10-13 16:12:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:12:39,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:39,310 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:39,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:12:39,310 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:39,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:39,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1380544927, now seen corresponding path program 1 times [2024-10-13 16:12:39,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:39,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984222308] [2024-10-13 16:12:39,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:39,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:39,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:39,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:12:39,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:39,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984222308] [2024-10-13 16:12:39,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984222308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:39,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:39,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:39,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140419234] [2024-10-13 16:12:39,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:39,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:12:39,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:39,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:12:39,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:12:39,614 INFO L87 Difference]: Start difference. First operand 739 states and 1038 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:39,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:39,973 INFO L93 Difference]: Finished difference Result 1395 states and 1972 transitions. [2024-10-13 16:12:39,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:12:39,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 163 [2024-10-13 16:12:39,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:39,978 INFO L225 Difference]: With dead ends: 1395 [2024-10-13 16:12:39,978 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 16:12:39,979 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 [2024-10-13 16:12:39,979 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 6 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:39,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1822 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:12:39,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 16:12:39,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-13 16:12:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 713 states have (on average 1.4067321178120618) internal successors, (1003), 730 states have internal predecessors, (1003), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:12:39,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1035 transitions. [2024-10-13 16:12:39,998 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1035 transitions. Word has length 163 [2024-10-13 16:12:39,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:39,999 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1035 transitions. [2024-10-13 16:12:40,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:40,000 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1035 transitions. [2024-10-13 16:12:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:12:40,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:40,003 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:40,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:12:40,003 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:40,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1456340581, now seen corresponding path program 1 times [2024-10-13 16:12:40,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:40,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022935926] [2024-10-13 16:12:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:40,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:40,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:12:40,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:40,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022935926] [2024-10-13 16:12:40,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022935926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:40,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:40,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:40,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390406837] [2024-10-13 16:12:40,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:40,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:12:40,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:40,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:12:40,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:12:40,289 INFO L87 Difference]: Start difference. First operand 739 states and 1035 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:40,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:40,708 INFO L93 Difference]: Finished difference Result 1714 states and 2426 transitions. [2024-10-13 16:12:40,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:12:40,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 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 163 [2024-10-13 16:12:40,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:40,713 INFO L225 Difference]: With dead ends: 1714 [2024-10-13 16:12:40,714 INFO L226 Difference]: Without dead ends: 1060 [2024-10-13 16:12:40,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:12:40,715 INFO L432 NwaCegarLoop]: 851 mSDtfsCounter, 387 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:40,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2234 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:40,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2024-10-13 16:12:40,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1053. [2024-10-13 16:12:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1014 states have (on average 1.4122287968441816) internal successors, (1432), 1041 states have internal predecessors, (1432), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-13 16:12:40,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1490 transitions. [2024-10-13 16:12:40,744 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1490 transitions. Word has length 163 [2024-10-13 16:12:40,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:40,744 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1490 transitions. [2024-10-13 16:12:40,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:12:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1490 transitions. [2024-10-13 16:12:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 16:12:40,746 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:40,747 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:40,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 16:12:40,747 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:40,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:40,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1028441555, now seen corresponding path program 1 times [2024-10-13 16:12:40,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:40,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985298277] [2024-10-13 16:12:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:40,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:12:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:41,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:41,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985298277] [2024-10-13 16:12:41,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985298277] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:41,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:41,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:41,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125687537] [2024-10-13 16:12:41,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:41,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:41,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:41,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:41,119 INFO L87 Difference]: Start difference. First operand 1053 states and 1490 transitions. Second operand has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:41,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:41,505 INFO L93 Difference]: Finished difference Result 1055 states and 1501 transitions. [2024-10-13 16:12:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:12:41,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 176 [2024-10-13 16:12:41,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:41,511 INFO L225 Difference]: With dead ends: 1055 [2024-10-13 16:12:41,511 INFO L226 Difference]: Without dead ends: 1053 [2024-10-13 16:12:41,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:41,512 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 472 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 1815 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:41,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 1815 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:41,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-10-13 16:12:41,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1051. [2024-10-13 16:12:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1014 states have (on average 1.4092702169625246) internal successors, (1429), 1039 states have internal predecessors, (1429), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-13 16:12:41,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1487 transitions. [2024-10-13 16:12:41,546 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1487 transitions. Word has length 176 [2024-10-13 16:12:41,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:41,547 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1487 transitions. [2024-10-13 16:12:41,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1487 transitions. [2024-10-13 16:12:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 16:12:41,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:41,549 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:41,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 16:12:41,549 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:41,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:41,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1816918665, now seen corresponding path program 1 times [2024-10-13 16:12:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:41,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121490655] [2024-10-13 16:12:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:41,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:12:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:41,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:41,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121490655] [2024-10-13 16:12:41,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121490655] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:41,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:41,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:12:41,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005223268] [2024-10-13 16:12:41,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:41,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:12:41,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:41,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:12:41,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:41,850 INFO L87 Difference]: Start difference. First operand 1051 states and 1487 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:42,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:42,288 INFO L93 Difference]: Finished difference Result 1120 states and 1586 transitions. [2024-10-13 16:12:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:12:42,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-13 16:12:42,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:42,294 INFO L225 Difference]: With dead ends: 1120 [2024-10-13 16:12:42,294 INFO L226 Difference]: Without dead ends: 1119 [2024-10-13 16:12:42,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:12:42,295 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 465 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 2451 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:42,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 2451 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:42,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-10-13 16:12:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1115. [2024-10-13 16:12:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1075 states have (on average 1.4018604651162792) internal successors, (1507), 1100 states have internal predecessors, (1507), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:42,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1571 transitions. [2024-10-13 16:12:42,325 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1571 transitions. Word has length 177 [2024-10-13 16:12:42,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:42,325 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1571 transitions. [2024-10-13 16:12:42,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1571 transitions. [2024-10-13 16:12:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-13 16:12:42,327 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:42,327 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:42,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 16:12:42,328 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:42,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:42,329 INFO L85 PathProgramCache]: Analyzing trace with hash 334787298, now seen corresponding path program 1 times [2024-10-13 16:12:42,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:42,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972789735] [2024-10-13 16:12:42,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:42,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:12:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:12:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:12:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:43,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:43,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972789735] [2024-10-13 16:12:43,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972789735] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:43,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756220180] [2024-10-13 16:12:43,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:43,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:43,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:43,243 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:43,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:12:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:43,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-13 16:12:43,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:43,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:12:43,945 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 21 treesize of output 20 [2024-10-13 16:12:44,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-13 16:12:44,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-10-13 16:12:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:44,823 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:44,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756220180] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:44,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:44,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-10-13 16:12:44,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812478976] [2024-10-13 16:12:44,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:44,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 16:12:44,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:44,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 16:12:44,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-13 16:12:44,825 INFO L87 Difference]: Start difference. First operand 1115 states and 1571 transitions. Second operand has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:47,394 INFO L93 Difference]: Finished difference Result 2194 states and 3101 transitions. [2024-10-13 16:12:47,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:12:47,394 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-10-13 16:12:47,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:47,399 INFO L225 Difference]: With dead ends: 2194 [2024-10-13 16:12:47,399 INFO L226 Difference]: Without dead ends: 1117 [2024-10-13 16:12:47,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-10-13 16:12:47,401 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 821 mSDsluCounter, 4773 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 5409 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:47,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 5409 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 16:12:47,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-10-13 16:12:47,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1115. [2024-10-13 16:12:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1075 states have (on average 1.4009302325581396) internal successors, (1506), 1100 states have internal predecessors, (1506), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1570 transitions. [2024-10-13 16:12:47,431 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1570 transitions. Word has length 182 [2024-10-13 16:12:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:47,432 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1570 transitions. [2024-10-13 16:12:47,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1570 transitions. [2024-10-13 16:12:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-13 16:12:47,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:47,434 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:47,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 16:12:47,634 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,SelfDestructingSolverStorable11 [2024-10-13 16:12:47,635 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:47,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:47,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1817828102, now seen corresponding path program 1 times [2024-10-13 16:12:47,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:47,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048477689] [2024-10-13 16:12:47,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:47,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:48,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:12:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:48,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:12:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:48,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 16:12:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:48,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:12:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:48,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:48,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048477689] [2024-10-13 16:12:48,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048477689] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:48,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883976844] [2024-10-13 16:12:48,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:48,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:48,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:48,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:12:48,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:12:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:49,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 16:12:49,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:49,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:49,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883976844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:49,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:49,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-13 16:12:49,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165206887] [2024-10-13 16:12:49,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:49,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:12:49,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:49,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:12:49,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:49,649 INFO L87 Difference]: Start difference. First operand 1115 states and 1570 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:49,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:49,796 INFO L93 Difference]: Finished difference Result 2192 states and 3100 transitions. [2024-10-13 16:12:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:12:49,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-13 16:12:49,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:49,802 INFO L225 Difference]: With dead ends: 2192 [2024-10-13 16:12:49,802 INFO L226 Difference]: Without dead ends: 1115 [2024-10-13 16:12:49,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:49,805 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 13 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 1824 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:49,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 1824 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:12:49,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2024-10-13 16:12:49,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115. [2024-10-13 16:12:49,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 1075 states have (on average 1.3990697674418604) internal successors, (1504), 1100 states have internal predecessors, (1504), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1568 transitions. [2024-10-13 16:12:49,841 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1568 transitions. Word has length 183 [2024-10-13 16:12:49,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:49,841 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1568 transitions. [2024-10-13 16:12:49,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1568 transitions. [2024-10-13 16:12:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-13 16:12:49,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:49,843 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:49,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 16:12:50,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:50,045 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:50,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash -491047491, now seen corresponding path program 1 times [2024-10-13 16:12:50,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:50,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701878701] [2024-10-13 16:12:50,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:50,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:12:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:12:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 16:12:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:12:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:50,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:50,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701878701] [2024-10-13 16:12:50,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701878701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:50,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:50,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:12:50,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139689265] [2024-10-13 16:12:50,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:50,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:12:50,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:50,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:12:50,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:50,534 INFO L87 Difference]: Start difference. First operand 1115 states and 1568 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:51,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:51,136 INFO L93 Difference]: Finished difference Result 2197 states and 3116 transitions. [2024-10-13 16:12:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:12:51,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-13 16:12:51,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:51,141 INFO L225 Difference]: With dead ends: 2197 [2024-10-13 16:12:51,141 INFO L226 Difference]: Without dead ends: 1123 [2024-10-13 16:12:51,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:12:51,144 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 9 mSDsluCounter, 2804 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3448 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:51,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3448 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:12:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-10-13 16:12:51,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1121. [2024-10-13 16:12:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1081 states have (on average 1.3968547641073081) internal successors, (1510), 1106 states have internal predecessors, (1510), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:51,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1574 transitions. [2024-10-13 16:12:51,178 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1574 transitions. Word has length 184 [2024-10-13 16:12:51,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:51,179 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1574 transitions. [2024-10-13 16:12:51,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:51,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1574 transitions. [2024-10-13 16:12:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 16:12:51,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:51,181 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:51,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 16:12:51,182 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:51,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:51,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1838135917, now seen corresponding path program 1 times [2024-10-13 16:12:51,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:51,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749276031] [2024-10-13 16:12:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:51,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 16:12:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:12:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:51,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:51,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749276031] [2024-10-13 16:12:51,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749276031] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:51,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:51,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:12:51,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148974954] [2024-10-13 16:12:51,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:51,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:12:51,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:51,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:12:51,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:12:51,655 INFO L87 Difference]: Start difference. First operand 1121 states and 1574 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:52,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:52,390 INFO L93 Difference]: Finished difference Result 2203 states and 3120 transitions. [2024-10-13 16:12:52,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:12:52,391 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-13 16:12:52,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:52,396 INFO L225 Difference]: With dead ends: 2203 [2024-10-13 16:12:52,396 INFO L226 Difference]: Without dead ends: 1133 [2024-10-13 16:12:52,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:12:52,398 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 13 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3994 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:52,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3994 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 16:12:52,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-13 16:12:52,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1129. [2024-10-13 16:12:52,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1089 states have (on average 1.3957759412304866) internal successors, (1520), 1114 states have internal predecessors, (1520), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1584 transitions. [2024-10-13 16:12:52,425 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1584 transitions. Word has length 185 [2024-10-13 16:12:52,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:52,426 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1584 transitions. [2024-10-13 16:12:52,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1584 transitions. [2024-10-13 16:12:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 16:12:52,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:52,428 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:52,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 16:12:52,428 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:52,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:52,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1587474551, now seen corresponding path program 1 times [2024-10-13 16:12:52,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:52,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682061110] [2024-10-13 16:12:52,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:52,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 16:12:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:12:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:53,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:53,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682061110] [2024-10-13 16:12:53,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682061110] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:53,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603350607] [2024-10-13 16:12:53,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:53,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:53,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:53,221 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) [2024-10-13 16:12:53,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 16:12:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:53,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 16:12:53,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-13 16:12:54,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:54,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603350607] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:54,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:54,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-13 16:12:54,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356835116] [2024-10-13 16:12:54,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:54,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 16:12:54,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:54,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 16:12:54,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:12:54,051 INFO L87 Difference]: Start difference. First operand 1129 states and 1584 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:54,412 INFO L93 Difference]: Finished difference Result 2089 states and 2961 transitions. [2024-10-13 16:12:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 16:12:54,413 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 185 [2024-10-13 16:12:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:54,418 INFO L225 Difference]: With dead ends: 2089 [2024-10-13 16:12:54,418 INFO L226 Difference]: Without dead ends: 1151 [2024-10-13 16:12:54,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-13 16:12:54,420 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 25 mSDsluCounter, 3513 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 4151 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:54,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 4151 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:12:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2024-10-13 16:12:54,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1143. [2024-10-13 16:12:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1103 states have (on average 1.3925657298277425) internal successors, (1536), 1128 states have internal predecessors, (1536), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:54,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1600 transitions. [2024-10-13 16:12:54,449 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1600 transitions. Word has length 185 [2024-10-13 16:12:54,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:54,449 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1600 transitions. [2024-10-13 16:12:54,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1600 transitions. [2024-10-13 16:12:54,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-13 16:12:54,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:54,452 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:54,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 16:12:54,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 16:12:54,653 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:54,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:54,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1298671735, now seen corresponding path program 1 times [2024-10-13 16:12:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:54,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677911781] [2024-10-13 16:12:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:54,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 16:12:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 16:12:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:55,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:55,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677911781] [2024-10-13 16:12:55,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677911781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:55,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:55,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:12:55,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120415353] [2024-10-13 16:12:55,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:55,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:12:55,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:55,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:12:55,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:12:55,365 INFO L87 Difference]: Start difference. First operand 1143 states and 1600 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:55,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:55,940 INFO L93 Difference]: Finished difference Result 2089 states and 2962 transitions. [2024-10-13 16:12:55,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:12:55,941 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-13 16:12:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:55,945 INFO L225 Difference]: With dead ends: 2089 [2024-10-13 16:12:55,945 INFO L226 Difference]: Without dead ends: 1145 [2024-10-13 16:12:55,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 16:12:55,947 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 26 mSDsluCounter, 2786 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3430 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:55,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3430 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:12:55,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-10-13 16:12:55,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1137. [2024-10-13 16:12:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1097 states have (on average 1.3910665451230628) internal successors, (1526), 1122 states have internal predecessors, (1526), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1590 transitions. [2024-10-13 16:12:55,972 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1590 transitions. Word has length 186 [2024-10-13 16:12:55,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:55,972 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1590 transitions. [2024-10-13 16:12:55,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1590 transitions. [2024-10-13 16:12:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-13 16:12:55,975 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:55,975 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:55,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 16:12:55,976 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:55,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:55,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1887576366, now seen corresponding path program 1 times [2024-10-13 16:12:55,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:55,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637198191] [2024-10-13 16:12:55,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:56,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:56,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:56,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-13 16:12:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 16:12:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:56,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:56,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637198191] [2024-10-13 16:12:56,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637198191] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:56,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:12:56,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:12:56,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186920973] [2024-10-13 16:12:56,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:56,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:12:56,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:56,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:12:56,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:12:56,612 INFO L87 Difference]: Start difference. First operand 1137 states and 1590 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:57,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:57,218 INFO L93 Difference]: Finished difference Result 2088 states and 2959 transitions. [2024-10-13 16:12:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:12:57,218 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-13 16:12:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:57,223 INFO L225 Difference]: With dead ends: 2088 [2024-10-13 16:12:57,224 INFO L226 Difference]: Without dead ends: 1149 [2024-10-13 16:12:57,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:12:57,226 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 17 mSDsluCounter, 2800 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3447 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:57,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3447 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:12:57,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-10-13 16:12:57,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1143. [2024-10-13 16:12:57,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1103 states have (on average 1.3889392565729828) internal successors, (1532), 1128 states have internal predecessors, (1532), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1596 transitions. [2024-10-13 16:12:57,252 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1596 transitions. Word has length 187 [2024-10-13 16:12:57,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:57,252 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1596 transitions. [2024-10-13 16:12:57,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:12:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1596 transitions. [2024-10-13 16:12:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-13 16:12:57,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:57,255 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:57,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 16:12:57,255 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:57,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:57,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1266900512, now seen corresponding path program 1 times [2024-10-13 16:12:57,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:57,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971238065] [2024-10-13 16:12:57,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:57,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:57,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:12:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:57,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:12:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:57,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:12:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:57,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 16:12:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:12:57,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:12:57,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971238065] [2024-10-13 16:12:57,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971238065] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:12:57,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338374152] [2024-10-13 16:12:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:57,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:57,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:12:57,920 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) [2024-10-13 16:12:57,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 16:12:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:12:58,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-13 16:12:58,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:12:59,054 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:12:59,055 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:12:59,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338374152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:12:59,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:12:59,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-13 16:12:59,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157257081] [2024-10-13 16:12:59,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:12:59,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:12:59,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:12:59,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:12:59,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:12:59,060 INFO L87 Difference]: Start difference. First operand 1143 states and 1596 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:59,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:12:59,456 INFO L93 Difference]: Finished difference Result 2241 states and 3145 transitions. [2024-10-13 16:12:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:12:59,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-10-13 16:12:59,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:12:59,461 INFO L225 Difference]: With dead ends: 2241 [2024-10-13 16:12:59,462 INFO L226 Difference]: Without dead ends: 1153 [2024-10-13 16:12:59,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:12:59,464 INFO L432 NwaCegarLoop]: 643 mSDtfsCounter, 8 mSDsluCounter, 2875 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:12:59,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3518 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:12:59,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2024-10-13 16:12:59,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1143. [2024-10-13 16:12:59,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1103 states have (on average 1.3889392565729828) internal successors, (1532), 1128 states have internal predecessors, (1532), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:12:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1596 transitions. [2024-10-13 16:12:59,494 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1596 transitions. Word has length 188 [2024-10-13 16:12:59,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:12:59,494 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1596 transitions. [2024-10-13 16:12:59,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:12:59,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1596 transitions. [2024-10-13 16:12:59,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-13 16:12:59,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:12:59,497 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:12:59,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 16:12:59,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:12:59,698 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:12:59,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:12:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1351068986, now seen corresponding path program 1 times [2024-10-13 16:12:59,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:12:59,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98665830] [2024-10-13 16:12:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:12:59,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:12:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:00,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:13:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:13:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:13:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:00,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 16:13:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:13:00,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:00,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98665830] [2024-10-13 16:13:00,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98665830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:00,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:13:00,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 16:13:00,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335492791] [2024-10-13 16:13:00,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:00,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:13:00,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:00,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:13:00,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:13:00,214 INFO L87 Difference]: Start difference. First operand 1143 states and 1596 transitions. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:00,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:00,811 INFO L93 Difference]: Finished difference Result 2248 states and 3163 transitions. [2024-10-13 16:13:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 16:13:00,812 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-13 16:13:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:00,817 INFO L225 Difference]: With dead ends: 2248 [2024-10-13 16:13:00,817 INFO L226 Difference]: Without dead ends: 1165 [2024-10-13 16:13:00,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:13:00,820 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 21 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 4082 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:00,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 4082 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:13:00,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2024-10-13 16:13:00,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1157. [2024-10-13 16:13:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1117 states have (on average 1.387645478961504) internal successors, (1550), 1142 states have internal predecessors, (1550), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:13:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1614 transitions. [2024-10-13 16:13:00,851 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1614 transitions. Word has length 189 [2024-10-13 16:13:00,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:00,851 INFO L471 AbstractCegarLoop]: Abstraction has 1157 states and 1614 transitions. [2024-10-13 16:13:00,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:00,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1614 transitions. [2024-10-13 16:13:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-13 16:13:00,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:00,854 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:00,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 16:13:00,854 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:00,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:00,855 INFO L85 PathProgramCache]: Analyzing trace with hash 483322794, now seen corresponding path program 1 times [2024-10-13 16:13:00,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:00,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648242338] [2024-10-13 16:13:00,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:00,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:01,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 16:13:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:01,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 16:13:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:01,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:13:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:01,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 16:13:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:13:01,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:01,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648242338] [2024-10-13 16:13:01,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648242338] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:01,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843698966] [2024-10-13 16:13:01,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:01,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:01,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:01,678 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) [2024-10-13 16:13:01,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 16:13:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:02,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 16:13:02,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:02,494 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:13:02,494 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:02,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843698966] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:02,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:02,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-13 16:13:02,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414963380] [2024-10-13 16:13:02,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:02,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:13:02,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:02,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:13:02,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:13:02,496 INFO L87 Difference]: Start difference. First operand 1157 states and 1614 transitions. Second operand has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:02,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:02,764 INFO L93 Difference]: Finished difference Result 2257 states and 3164 transitions. [2024-10-13 16:13:02,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:13:02,768 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-13 16:13:02,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:02,774 INFO L225 Difference]: With dead ends: 2257 [2024-10-13 16:13:02,774 INFO L226 Difference]: Without dead ends: 1167 [2024-10-13 16:13:02,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-13 16:13:02,777 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 13 mSDsluCounter, 2891 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 3525 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:02,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3525 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:13:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2024-10-13 16:13:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1161. [2024-10-13 16:13:02,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 1121 states have (on average 1.3862622658340766) internal successors, (1554), 1146 states have internal predecessors, (1554), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:13:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1618 transitions. [2024-10-13 16:13:02,811 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1618 transitions. Word has length 189 [2024-10-13 16:13:02,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:02,814 INFO L471 AbstractCegarLoop]: Abstraction has 1161 states and 1618 transitions. [2024-10-13 16:13:02,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.0) internal successors, (175), 7 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:02,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1618 transitions. [2024-10-13 16:13:02,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 16:13:02,816 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:02,817 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:02,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 16:13:03,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:03,022 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:03,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:03,022 INFO L85 PathProgramCache]: Analyzing trace with hash -599477968, now seen corresponding path program 1 times [2024-10-13 16:13:03,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:03,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245403] [2024-10-13 16:13:03,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:03,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:03,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:13:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:03,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:13:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:13:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:13:03,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:03,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245403] [2024-10-13 16:13:03,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:03,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:13:03,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 16:13:03,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069882342] [2024-10-13 16:13:03,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:03,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:13:03,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:03,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:13:03,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:13:03,712 INFO L87 Difference]: Start difference. First operand 1161 states and 1618 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:04,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:04,421 INFO L93 Difference]: Finished difference Result 2278 states and 3202 transitions. [2024-10-13 16:13:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:13:04,424 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-13 16:13:04,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:04,429 INFO L225 Difference]: With dead ends: 2278 [2024-10-13 16:13:04,430 INFO L226 Difference]: Without dead ends: 1181 [2024-10-13 16:13:04,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:13:04,432 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 24 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 5210 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:04,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 5210 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:13:04,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2024-10-13 16:13:04,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1167. [2024-10-13 16:13:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1167 states, 1127 states have (on average 1.3842058562555457) internal successors, (1560), 1152 states have internal predecessors, (1560), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:13:04,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1624 transitions. [2024-10-13 16:13:04,457 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1624 transitions. Word has length 190 [2024-10-13 16:13:04,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:04,458 INFO L471 AbstractCegarLoop]: Abstraction has 1167 states and 1624 transitions. [2024-10-13 16:13:04,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:04,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1624 transitions. [2024-10-13 16:13:04,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 16:13:04,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:04,459 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:04,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 16:13:04,460 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:04,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:04,460 INFO L85 PathProgramCache]: Analyzing trace with hash 432092364, now seen corresponding path program 1 times [2024-10-13 16:13:04,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:04,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144609413] [2024-10-13 16:13:04,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:04,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:13:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:13:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:13:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:13:05,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:05,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144609413] [2024-10-13 16:13:05,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144609413] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:05,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302406225] [2024-10-13 16:13:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:05,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:05,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:05,128 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) [2024-10-13 16:13:05,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 16:13:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:06,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 16:13:06,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:06,884 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-13 16:13:06,884 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:06,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302406225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:06,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:06,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-10-13 16:13:06,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869750435] [2024-10-13 16:13:06,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:06,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 16:13:06,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:06,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 16:13:06,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:13:06,886 INFO L87 Difference]: Start difference. First operand 1167 states and 1624 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:07,664 INFO L93 Difference]: Finished difference Result 2297 states and 3214 transitions. [2024-10-13 16:13:07,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 16:13:07,665 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-13 16:13:07,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:07,669 INFO L225 Difference]: With dead ends: 2297 [2024-10-13 16:13:07,669 INFO L226 Difference]: Without dead ends: 1197 [2024-10-13 16:13:07,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-13 16:13:07,671 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 13 mSDsluCounter, 4664 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5308 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:07,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5308 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 16:13:07,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2024-10-13 16:13:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1191. [2024-10-13 16:13:07,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1191 states, 1151 states have (on average 1.3814074717636837) internal successors, (1590), 1176 states have internal predecessors, (1590), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-13 16:13:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 1191 states and 1654 transitions. [2024-10-13 16:13:07,694 INFO L78 Accepts]: Start accepts. Automaton has 1191 states and 1654 transitions. Word has length 190 [2024-10-13 16:13:07,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:07,694 INFO L471 AbstractCegarLoop]: Abstraction has 1191 states and 1654 transitions. [2024-10-13 16:13:07,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:07,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1654 transitions. [2024-10-13 16:13:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-13 16:13:07,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:07,696 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:07,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 16:13:07,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:07,897 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:07,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:07,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1667579237, now seen corresponding path program 1 times [2024-10-13 16:13:07,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:07,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935470866] [2024-10-13 16:13:07,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:07,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:08,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 16:13:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:08,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:13:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:13:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 16:13:08,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:08,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935470866] [2024-10-13 16:13:08,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935470866] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:08,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479955250] [2024-10-13 16:13:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:08,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:08,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:08,678 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) [2024-10-13 16:13:08,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 16:13:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:09,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:13:09,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 16:13:09,515 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:09,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479955250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:09,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:09,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-13 16:13:09,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263186060] [2024-10-13 16:13:09,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:09,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:13:09,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:09,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:13:09,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:13:09,516 INFO L87 Difference]: Start difference. First operand 1191 states and 1654 transitions. Second operand has 4 states, 3 states have (on average 59.333333333333336) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:13:09,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:09,567 INFO L93 Difference]: Finished difference Result 2265 states and 3171 transitions. [2024-10-13 16:13:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:13:09,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 59.333333333333336) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-10-13 16:13:09,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:09,575 INFO L225 Difference]: With dead ends: 2265 [2024-10-13 16:13:09,575 INFO L226 Difference]: Without dead ends: 1193 [2024-10-13 16:13:09,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:13:09,578 INFO L432 NwaCegarLoop]: 654 mSDtfsCounter, 0 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:09,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1955 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:13:09,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-10-13 16:13:09,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1193. [2024-10-13 16:13:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 1152 states have (on average 1.3819444444444444) internal successors, (1592), 1178 states have internal predecessors, (1592), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-13 16:13:09,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1660 transitions. [2024-10-13 16:13:09,606 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1660 transitions. Word has length 190 [2024-10-13 16:13:09,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:09,606 INFO L471 AbstractCegarLoop]: Abstraction has 1193 states and 1660 transitions. [2024-10-13 16:13:09,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 59.333333333333336) internal successors, (178), 4 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 16:13:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1660 transitions. [2024-10-13 16:13:09,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-13 16:13:09,608 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:09,609 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:09,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 16:13:09,809 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,SelfDestructingSolverStorable23 [2024-10-13 16:13:09,809 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:09,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:09,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1174926437, now seen corresponding path program 1 times [2024-10-13 16:13:09,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:09,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486818978] [2024-10-13 16:13:09,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:09,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 16:13:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 16:13:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 16:13:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:10,524 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 16:13:10,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:10,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486818978] [2024-10-13 16:13:10,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486818978] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:10,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906428368] [2024-10-13 16:13:10,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:10,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:10,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:10,526 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) [2024-10-13 16:13:10,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 16:13:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:11,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 16:13:11,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:11,389 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-13 16:13:11,390 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 16:13:11,486 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-13 16:13:11,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906428368] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 16:13:11,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 16:13:11,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-13 16:13:11,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504777023] [2024-10-13 16:13:11,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 16:13:11,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:13:11,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:11,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:13:11,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 16:13:11,490 INFO L87 Difference]: Start difference. First operand 1193 states and 1660 transitions. Second operand has 11 states, 8 states have (on average 24.125) internal successors, (193), 10 states have internal predecessors, (193), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:11,857 INFO L93 Difference]: Finished difference Result 2276 states and 3202 transitions. [2024-10-13 16:13:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:13:11,857 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 24.125) internal successors, (193), 10 states have internal predecessors, (193), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 194 [2024-10-13 16:13:11,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:11,862 INFO L225 Difference]: With dead ends: 2276 [2024-10-13 16:13:11,862 INFO L226 Difference]: Without dead ends: 1201 [2024-10-13 16:13:11,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-10-13 16:13:11,865 INFO L432 NwaCegarLoop]: 649 mSDtfsCounter, 12 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:11,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2474 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:13:11,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2024-10-13 16:13:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1201. [2024-10-13 16:13:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1159 states have (on average 1.383088869715272) internal successors, (1603), 1185 states have internal predecessors, (1603), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (40), 16 states have call predecessors, (40), 32 states have call successors, (40) [2024-10-13 16:13:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1675 transitions. [2024-10-13 16:13:11,891 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1675 transitions. Word has length 194 [2024-10-13 16:13:11,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:11,891 INFO L471 AbstractCegarLoop]: Abstraction has 1201 states and 1675 transitions. [2024-10-13 16:13:11,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 24.125) internal successors, (193), 10 states have internal predecessors, (193), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1675 transitions. [2024-10-13 16:13:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 16:13:11,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:11,893 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:11,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-13 16:13:12,093 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,SelfDestructingSolverStorable24 [2024-10-13 16:13:12,094 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:12,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:12,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1401499813, now seen corresponding path program 2 times [2024-10-13 16:13:12,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:12,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089464069] [2024-10-13 16:13:12,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:12,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:13,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 16:13:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:13,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-13 16:13:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:13,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-13 16:13:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-10-13 16:13:13,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:13,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089464069] [2024-10-13 16:13:13,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089464069] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:13,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905049047] [2024-10-13 16:13:13,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 16:13:13,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:13,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:13,100 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) [2024-10-13 16:13:13,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 16:13:14,096 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 16:13:14,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 16:13:14,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 16:13:14,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 16:13:14,158 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 16:13:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-10-13 16:13:14,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905049047] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 16:13:14,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 16:13:14,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 15 [2024-10-13 16:13:14,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474194243] [2024-10-13 16:13:14,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 16:13:14,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 16:13:14,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 16:13:14,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-13 16:13:14,305 INFO L87 Difference]: Start difference. First operand 1201 states and 1675 transitions. Second operand has 15 states, 12 states have (on average 16.25) internal successors, (195), 14 states have internal predecessors, (195), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:14,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:14,930 INFO L93 Difference]: Finished difference Result 2289 states and 3219 transitions. [2024-10-13 16:13:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 16:13:14,930 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 16.25) internal successors, (195), 14 states have internal predecessors, (195), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 202 [2024-10-13 16:13:14,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:14,935 INFO L225 Difference]: With dead ends: 2289 [2024-10-13 16:13:14,935 INFO L226 Difference]: Without dead ends: 1207 [2024-10-13 16:13:14,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2024-10-13 16:13:14,938 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 32 mSDsluCounter, 3672 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 4310 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:14,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 4310 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 16:13:14,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-10-13 16:13:14,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2024-10-13 16:13:14,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1163 states have (on average 1.3852106620808255) internal successors, (1611), 1189 states have internal predecessors, (1611), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-13 16:13:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1679 transitions. [2024-10-13 16:13:14,967 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1679 transitions. Word has length 202 [2024-10-13 16:13:14,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:14,967 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1679 transitions. [2024-10-13 16:13:14,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 16.25) internal successors, (195), 14 states have internal predecessors, (195), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1679 transitions. [2024-10-13 16:13:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 16:13:14,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:14,969 INFO L215 NwaCegarLoop]: trace histogram [20, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:14,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 16:13:15,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-13 16:13:15,171 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:15,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:15,172 INFO L85 PathProgramCache]: Analyzing trace with hash 91342885, now seen corresponding path program 3 times [2024-10-13 16:13:15,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:15,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064420906] [2024-10-13 16:13:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:15,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:16,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 16:13:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:16,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 16:13:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:16,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 16:13:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:16,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-13 16:13:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 5 proven. 143 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-13 16:13:16,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:16,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064420906] [2024-10-13 16:13:16,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064420906] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:16,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608696269] [2024-10-13 16:13:16,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 16:13:16,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:16,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:16,326 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) [2024-10-13 16:13:16,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 16:13:17,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 16:13:17,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 16:13:17,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 16:13:17,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-10-13 16:13:17,200 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:13:17,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608696269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:13:17,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:13:17,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-10-13 16:13:17,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018260472] [2024-10-13 16:13:17,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:13:17,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:13:17,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:17,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:13:17,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-10-13 16:13:17,202 INFO L87 Difference]: Start difference. First operand 1205 states and 1679 transitions. Second operand has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:17,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:17,432 INFO L93 Difference]: Finished difference Result 2345 states and 3289 transitions. [2024-10-13 16:13:17,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:13:17,433 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 210 [2024-10-13 16:13:17,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:17,437 INFO L225 Difference]: With dead ends: 2345 [2024-10-13 16:13:17,437 INFO L226 Difference]: Without dead ends: 1217 [2024-10-13 16:13:17,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-10-13 16:13:17,438 INFO L432 NwaCegarLoop]: 647 mSDtfsCounter, 8 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:17,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3570 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 16:13:17,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2024-10-13 16:13:17,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1217. [2024-10-13 16:13:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1175 states have (on average 1.3829787234042554) internal successors, (1625), 1201 states have internal predecessors, (1625), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-13 16:13:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1693 transitions. [2024-10-13 16:13:17,462 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1693 transitions. Word has length 210 [2024-10-13 16:13:17,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:17,462 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1693 transitions. [2024-10-13 16:13:17,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 8 states have internal predecessors, (177), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-13 16:13:17,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1693 transitions. [2024-10-13 16:13:17,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 16:13:17,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:17,464 INFO L215 NwaCegarLoop]: trace histogram [20, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:17,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-13 16:13:17,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-13 16:13:17,665 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:17,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:17,665 INFO L85 PathProgramCache]: Analyzing trace with hash -726965975, now seen corresponding path program 1 times [2024-10-13 16:13:17,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:17,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266187127] [2024-10-13 16:13:17,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:17,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:18,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:13:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:18,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 16:13:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 16:13:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:18,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 16:13:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 5 proven. 143 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-10-13 16:13:18,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266187127] [2024-10-13 16:13:18,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266187127] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:18,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971425782] [2024-10-13 16:13:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:18,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:18,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:18,779 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:18,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 16:13:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:19,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-13 16:13:19,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 188 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-13 16:13:19,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 16:13:24,085 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 41 proven. 71 refuted. 1 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 16:13:24,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971425782] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 16:13:24,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 16:13:24,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 23 [2024-10-13 16:13:24,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493329339] [2024-10-13 16:13:24,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 16:13:24,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-13 16:13:24,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:13:24,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-13 16:13:24,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=377, Unknown=1, NotChecked=0, Total=506 [2024-10-13 16:13:24,089 INFO L87 Difference]: Start difference. First operand 1217 states and 1693 transitions. Second operand has 23 states, 20 states have (on average 10.35) internal successors, (207), 22 states have internal predecessors, (207), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:25,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:13:25,020 INFO L93 Difference]: Finished difference Result 2324 states and 3278 transitions. [2024-10-13 16:13:25,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-13 16:13:25,021 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 10.35) internal successors, (207), 22 states have internal predecessors, (207), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 211 [2024-10-13 16:13:25,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:13:25,026 INFO L225 Difference]: With dead ends: 2324 [2024-10-13 16:13:25,026 INFO L226 Difference]: Without dead ends: 1228 [2024-10-13 16:13:25,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 417 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=346, Invalid=913, Unknown=1, NotChecked=0, Total=1260 [2024-10-13 16:13:25,029 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 38 mSDsluCounter, 5540 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 6177 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:13:25,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 6177 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:13:25,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-10-13 16:13:25,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1226. [2024-10-13 16:13:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1184 states have (on average 1.380912162162162) internal successors, (1635), 1210 states have internal predecessors, (1635), 32 states have call successors, (32), 3 states have call predecessors, (32), 4 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-13 16:13:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1703 transitions. [2024-10-13 16:13:25,069 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1703 transitions. Word has length 211 [2024-10-13 16:13:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:13:25,070 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1703 transitions. [2024-10-13 16:13:25,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 10.35) internal successors, (207), 22 states have internal predecessors, (207), 2 states have call successors, (10), 3 states have call predecessors, (10), 5 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-13 16:13:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1703 transitions. [2024-10-13 16:13:25,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-10-13 16:13:25,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:13:25,072 INFO L215 NwaCegarLoop]: trace histogram [38, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:13:25,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 16:13:25,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-13 16:13:25,273 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-13 16:13:25,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:13:25,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1209244227, now seen corresponding path program 2 times [2024-10-13 16:13:25,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:13:25,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836828842] [2024-10-13 16:13:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:13:25,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:13:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:13:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 16:13:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-13 16:13:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 16:13:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:13:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 5 proven. 303 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked. [2024-10-13 16:13:26,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:13:26,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836828842] [2024-10-13 16:13:26,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836828842] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:13:26,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173949448] [2024-10-13 16:13:26,490 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 16:13:26,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:13:26,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:13:26,491 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:13:26,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 16:13:28,765 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 16:13:28,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 16:13:28,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 16:13:28,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:13:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 878 backedges. 559 proven. 78 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2024-10-13 16:13:28,974 INFO L311 TraceCheckSpWp]: Computing backward predicates...