./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_FNV_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_FNV_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 a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:15:35,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:15:35,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:15:35,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:15:35,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:15:35,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:15:35,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:15:35,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:15:35,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:15:35,299 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:15:35,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:15:35,300 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:15:35,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:15:35,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:15:35,304 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:15:35,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:15:35,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:15:35,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:15:35,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:15:35,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:15:35,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:15:35,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:15:35,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:15:35,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:15:35,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:15:35,310 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:15:35,310 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:15:35,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:15:35,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:15:35,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:15:35,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:15:35,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:15:35,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:15:35,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:15:35,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:15:35,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:15:35,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:15:35,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:15:35,314 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:15:35,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:15:35,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:15:35,321 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:15:35,321 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:15:35,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:15:35,322 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a37ff9cc75e7eb9f5325f8fa274b6f05ade1742d661d8f4c826631afb9b4bde2 [2024-10-13 16:15:35,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:15:35,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:15:35,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:15:35,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:15:35,575 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:15:35,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2024-10-13 16:15:37,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:15:37,345 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:15:37,346 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-3.i [2024-10-13 16:15:37,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d835504c0/f9e3afb664bc422f97a8bf72cc988175/FLAG40fdb1ce1 [2024-10-13 16:15:37,600 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d835504c0/f9e3afb664bc422f97a8bf72cc988175 [2024-10-13 16:15:37,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:15:37,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:15:37,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:15:37,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:15:37,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:15:37,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:15:37" (1/1) ... [2024-10-13 16:15:37,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4f407a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:37, skipping insertion in model container [2024-10-13 16:15:37,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:15:37" (1/1) ... [2024-10-13 16:15:37,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:15:38,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:15:38,273 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:15:38,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:15:38,415 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:15:38,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38 WrapperNode [2024-10-13 16:15:38,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:15:38,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:15:38,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:15:38,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:15:38,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,545 INFO L138 Inliner]: procedures = 177, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2361 [2024-10-13 16:15:38,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:15:38,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:15:38,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:15:38,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:15:38,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,750 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [417, 2, 24]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 99 writes are split as follows [98, 0, 1]. [2024-10-13 16:15:38,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:15:38,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:15:38,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:15:38,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:15:38,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (1/1) ... [2024-10-13 16:15:38,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:15:38,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:38,940 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 16:15:38,945 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 16:15:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:15:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:15:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:15:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:15:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:15:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:15:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:15:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:15:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:15:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:15:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:15:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:15:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:15:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:15:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:15:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:15:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:15:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:15:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:15:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:15:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:15:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:15:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:15:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:15:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:15:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:15:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:15:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:15:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:15:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:15:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:15:39,267 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:15:39,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:15:41,149 INFO L? ?]: Removed 535 outVars from TransFormulas that were not future-live. [2024-10-13 16:15:41,150 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:15:41,209 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:15:41,210 INFO L314 CfgBuilder]: Removed 100 assume(true) statements. [2024-10-13 16:15:41,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:15:41 BoogieIcfgContainer [2024-10-13 16:15:41,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:15:41,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:15:41,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:15:41,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:15:41,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:15:37" (1/3) ... [2024-10-13 16:15:41,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c83d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:15:41, skipping insertion in model container [2024-10-13 16:15:41,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:15:38" (2/3) ... [2024-10-13 16:15:41,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c83d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:15:41, skipping insertion in model container [2024-10-13 16:15:41,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:15:41" (3/3) ... [2024-10-13 16:15:41,222 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-3.i [2024-10-13 16:15:41,238 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:15:41,238 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-13 16:15:41,377 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:15:41,385 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;@379787bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:15:41,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-13 16:15:41,394 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 16:15:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 16:15:41,400 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:41,401 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 16:15:41,404 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 16:15:41,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1942633980, now seen corresponding path program 1 times [2024-10-13 16:15:41,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:41,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783555254] [2024-10-13 16:15:41,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:41,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:41,567 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 16:15:41,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:41,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783555254] [2024-10-13 16:15:41,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783555254] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:41,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:41,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:15:41,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919481427] [2024-10-13 16:15:41,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:41,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:15:41,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:41,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:15:41,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:15:41,598 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 16:15:41,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:41,695 INFO L93 Difference]: Finished difference Result 1285 states and 2079 transitions. [2024-10-13 16:15:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:15:41,697 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 16:15:41,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:41,716 INFO L225 Difference]: With dead ends: 1285 [2024-10-13 16:15:41,716 INFO L226 Difference]: Without dead ends: 575 [2024-10-13 16:15:41,724 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 16:15:41,729 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 16:15:41,731 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 16:15:41,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-10-13 16:15:41,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2024-10-13 16:15:41,805 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 16:15:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 834 transitions. [2024-10-13 16:15:41,812 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 834 transitions. Word has length 5 [2024-10-13 16:15:41,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:41,813 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 834 transitions. [2024-10-13 16:15:41,814 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 16:15:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 834 transitions. [2024-10-13 16:15:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:15:41,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:41,815 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:15:41,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:15:41,816 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 16:15:41,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:41,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1445067953, now seen corresponding path program 1 times [2024-10-13 16:15:41,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:41,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984875686] [2024-10-13 16:15:41,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:41,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:41,903 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 16:15:41,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:41,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984875686] [2024-10-13 16:15:41,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984875686] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:41,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:41,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:15:41,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480249236] [2024-10-13 16:15:41,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:41,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:15:41,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:41,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:15:41,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:15:41,908 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 16:15:42,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:42,003 INFO L93 Difference]: Finished difference Result 1313 states and 1920 transitions. [2024-10-13 16:15:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:15:42,004 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 16:15:42,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:42,009 INFO L225 Difference]: With dead ends: 1313 [2024-10-13 16:15:42,010 INFO L226 Difference]: Without dead ends: 1133 [2024-10-13 16:15:42,011 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 16:15:42,012 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:42,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1727 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:15:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-13 16:15:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 746. [2024-10-13 16:15:42,044 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 16:15:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1094 transitions. [2024-10-13 16:15:42,047 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1094 transitions. Word has length 6 [2024-10-13 16:15:42,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:42,048 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1094 transitions. [2024-10-13 16:15:42,048 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 16:15:42,048 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1094 transitions. [2024-10-13 16:15:42,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:15:42,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:42,049 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:15:42,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:15:42,049 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 16:15:42,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1488171509, now seen corresponding path program 1 times [2024-10-13 16:15:42,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:42,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212291399] [2024-10-13 16:15:42,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:42,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:15:42,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2119811901] [2024-10-13 16:15:42,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:42,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:42,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:42,093 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 16:15:42,094 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 16:15:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:42,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 16:15:42,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:15:42,327 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 16:15:42,327 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:15:42,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:42,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212291399] [2024-10-13 16:15:42,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:15:42,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119811901] [2024-10-13 16:15:42,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119811901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:42,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:42,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:15:42,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505338418] [2024-10-13 16:15:42,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:42,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:15:42,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:42,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:15:42,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:15:42,331 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 16:15:42,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:42,399 INFO L93 Difference]: Finished difference Result 1136 states and 1654 transitions. [2024-10-13 16:15:42,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:15:42,400 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 16:15:42,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:42,405 INFO L225 Difference]: With dead ends: 1136 [2024-10-13 16:15:42,405 INFO L226 Difference]: Without dead ends: 1133 [2024-10-13 16:15:42,406 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 16:15:42,407 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 16:15:42,407 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 16:15:42,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-13 16:15:42,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 750. [2024-10-13 16:15:42,427 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 16:15:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1096 transitions. [2024-10-13 16:15:42,430 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1096 transitions. Word has length 6 [2024-10-13 16:15:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:42,430 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1096 transitions. [2024-10-13 16:15:42,430 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 16:15:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1096 transitions. [2024-10-13 16:15:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:15:42,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:42,440 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 16:15:42,460 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 16:15:42,641 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 16:15:42,641 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 16:15:42,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:42,642 INFO L85 PathProgramCache]: Analyzing trace with hash -345445987, now seen corresponding path program 1 times [2024-10-13 16:15:42,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:42,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773779100] [2024-10-13 16:15:42,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:42,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:43,248 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 16:15:43,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:43,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773779100] [2024-10-13 16:15:43,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773779100] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:43,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:43,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:15:43,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859798299] [2024-10-13 16:15:43,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:43,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:15:43,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:43,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:15:43,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:15:43,254 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 16:15:43,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:43,358 INFO L93 Difference]: Finished difference Result 1497 states and 2189 transitions. [2024-10-13 16:15:43,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:15:43,358 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 16:15:43,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:43,362 INFO L225 Difference]: With dead ends: 1497 [2024-10-13 16:15:43,362 INFO L226 Difference]: Without dead ends: 753 [2024-10-13 16:15:43,363 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 16:15:43,364 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 16:15:43,364 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 16:15:43,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-10-13 16:15:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 750. [2024-10-13 16:15:43,384 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 16:15:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1089 transitions. [2024-10-13 16:15:43,387 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1089 transitions. Word has length 150 [2024-10-13 16:15:43,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:43,387 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1089 transitions. [2024-10-13 16:15:43,388 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 16:15:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1089 transitions. [2024-10-13 16:15:43,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:15:43,394 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:43,394 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 16:15:43,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:15:43,395 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 16:15:43,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:43,395 INFO L85 PathProgramCache]: Analyzing trace with hash -440808151, now seen corresponding path program 1 times [2024-10-13 16:15:43,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:43,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361395183] [2024-10-13 16:15:43,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:43,739 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 16:15:43,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:43,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361395183] [2024-10-13 16:15:43,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361395183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:43,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:43,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:15:43,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707656778] [2024-10-13 16:15:43,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:43,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:15:43,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:43,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:15:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:15:43,745 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 16:15:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:43,830 INFO L93 Difference]: Finished difference Result 1446 states and 2097 transitions. [2024-10-13 16:15:43,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:15:43,830 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 16:15:43,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:43,834 INFO L225 Difference]: With dead ends: 1446 [2024-10-13 16:15:43,834 INFO L226 Difference]: Without dead ends: 702 [2024-10-13 16:15:43,835 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 16:15:43,836 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, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:43,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2167 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:15:43,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-13 16:15:43,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2024-10-13 16:15:43,853 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 16:15:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1009 transitions. [2024-10-13 16:15:43,857 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1009 transitions. Word has length 150 [2024-10-13 16:15:43,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:43,857 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1009 transitions. [2024-10-13 16:15:43,857 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 16:15:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1009 transitions. [2024-10-13 16:15:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 16:15:43,860 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:43,860 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 16:15:43,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:15:43,860 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 16:15:43,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash 265788455, now seen corresponding path program 1 times [2024-10-13 16:15:43,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:43,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408310342] [2024-10-13 16:15:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:43,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:44,064 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 16:15:44,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:44,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408310342] [2024-10-13 16:15:44,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408310342] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:44,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:44,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:15:44,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989460800] [2024-10-13 16:15:44,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:44,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:15:44,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:44,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:15:44,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:15:44,067 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 16:15:44,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:44,138 INFO L93 Difference]: Finished difference Result 1477 states and 2119 transitions. [2024-10-13 16:15:44,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:15:44,139 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 16:15:44,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:44,143 INFO L225 Difference]: With dead ends: 1477 [2024-10-13 16:15:44,143 INFO L226 Difference]: Without dead ends: 781 [2024-10-13 16:15:44,144 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 16:15:44,146 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 16:15:44,147 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 16:15:44,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-13 16:15:44,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2024-10-13 16:15:44,162 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 16:15:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1115 transitions. [2024-10-13 16:15:44,167 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1115 transitions. Word has length 150 [2024-10-13 16:15:44,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:44,168 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1115 transitions. [2024-10-13 16:15:44,168 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 16:15:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1115 transitions. [2024-10-13 16:15:44,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:15:44,170 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:44,170 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 16:15:44,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:15:44,171 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 16:15:44,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:44,171 INFO L85 PathProgramCache]: Analyzing trace with hash 332007421, now seen corresponding path program 1 times [2024-10-13 16:15:44,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:44,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3946554] [2024-10-13 16:15:44,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:44,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:15:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:44,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:15:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:44,536 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 16:15:44,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:44,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3946554] [2024-10-13 16:15:44,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3946554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:44,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:44,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:15:44,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28206725] [2024-10-13 16:15:44,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:44,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:15:44,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:44,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:15:44,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:15:44,540 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 16:15:44,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:44,948 INFO L93 Difference]: Finished difference Result 1437 states and 2060 transitions. [2024-10-13 16:15:44,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:15:44,949 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 16:15:44,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:44,953 INFO L225 Difference]: With dead ends: 1437 [2024-10-13 16:15:44,953 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 16:15:44,954 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 16:15:44,955 INFO L432 NwaCegarLoop]: 637 mSDtfsCounter, 35 mSDsluCounter, 1777 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 16:15:44,956 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 16:15:44,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 16:15:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-13 16:15:44,973 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 16:15:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1038 transitions. [2024-10-13 16:15:44,976 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1038 transitions. Word has length 163 [2024-10-13 16:15:44,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:44,977 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1038 transitions. [2024-10-13 16:15:44,978 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 16:15:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1038 transitions. [2024-10-13 16:15:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:15:44,979 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:44,979 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 16:15:44,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:15:44,980 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 16:15:44,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash -446325073, now seen corresponding path program 1 times [2024-10-13 16:15:44,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:44,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182930114] [2024-10-13 16:15:44,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:44,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:45,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:15:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:45,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:15:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:45,335 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 16:15:45,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:45,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182930114] [2024-10-13 16:15:45,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182930114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:45,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:45,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:15:45,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914427580] [2024-10-13 16:15:45,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:45,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:15:45,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:45,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:15:45,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:15:45,340 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 16:15:45,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:45,831 INFO L93 Difference]: Finished difference Result 1395 states and 1972 transitions. [2024-10-13 16:15:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:15:45,832 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 16:15:45,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:45,835 INFO L225 Difference]: With dead ends: 1395 [2024-10-13 16:15:45,835 INFO L226 Difference]: Without dead ends: 741 [2024-10-13 16:15:45,836 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 16:15:45,837 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 6 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:45,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1822 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 16:15:45,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-13 16:15:45,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-13 16:15:45,850 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 16:15:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1035 transitions. [2024-10-13 16:15:45,853 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1035 transitions. Word has length 163 [2024-10-13 16:15:45,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:45,854 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 1035 transitions. [2024-10-13 16:15:45,854 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 16:15:45,855 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1035 transitions. [2024-10-13 16:15:45,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-13 16:15:45,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:45,857 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 16:15:45,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 16:15:45,857 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 16:15:45,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:45,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1904406861, now seen corresponding path program 1 times [2024-10-13 16:15:45,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:45,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343595848] [2024-10-13 16:15:45,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:45,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:15:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:15:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,149 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 16:15:46,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:46,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343595848] [2024-10-13 16:15:46,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343595848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:46,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:46,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:15:46,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408220477] [2024-10-13 16:15:46,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:46,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:15:46,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:46,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:15:46,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:15:46,152 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 16:15:46,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:46,516 INFO L93 Difference]: Finished difference Result 1714 states and 2426 transitions. [2024-10-13 16:15:46,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:15:46,516 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 16:15:46,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:46,521 INFO L225 Difference]: With dead ends: 1714 [2024-10-13 16:15:46,521 INFO L226 Difference]: Without dead ends: 1060 [2024-10-13 16:15:46,522 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 16:15:46,523 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:46,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 2234 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:15:46,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2024-10-13 16:15:46,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1053. [2024-10-13 16:15:46,543 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 16:15:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1490 transitions. [2024-10-13 16:15:46,546 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1490 transitions. Word has length 163 [2024-10-13 16:15:46,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:46,548 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1490 transitions. [2024-10-13 16:15:46,548 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 16:15:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1490 transitions. [2024-10-13 16:15:46,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-13 16:15:46,550 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:46,550 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 16:15:46,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 16:15:46,551 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 16:15:46,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:46,551 INFO L85 PathProgramCache]: Analyzing trace with hash 582238135, now seen corresponding path program 1 times [2024-10-13 16:15:46,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:46,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17286714] [2024-10-13 16:15:46,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:46,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:15:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:15:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:15:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:15:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:46,901 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 16:15:46,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:46,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17286714] [2024-10-13 16:15:46,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17286714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:46,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:46,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:15:46,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941006519] [2024-10-13 16:15:46,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:46,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:15:46,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:46,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:15:46,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:15:46,903 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 16:15:47,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:47,380 INFO L93 Difference]: Finished difference Result 1055 states and 1501 transitions. [2024-10-13 16:15:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:15:47,381 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 16:15:47,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:47,387 INFO L225 Difference]: With dead ends: 1055 [2024-10-13 16:15:47,387 INFO L226 Difference]: Without dead ends: 1053 [2024-10-13 16:15:47,388 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 16:15:47,388 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 472 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 16:15:47,389 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 16:15:47,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-10-13 16:15:47,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 1051. [2024-10-13 16:15:47,417 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 16:15:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1487 transitions. [2024-10-13 16:15:47,422 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1487 transitions. Word has length 176 [2024-10-13 16:15:47,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:47,423 INFO L471 AbstractCegarLoop]: Abstraction has 1051 states and 1487 transitions. [2024-10-13 16:15:47,423 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 16:15:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1487 transitions. [2024-10-13 16:15:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 16:15:47,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:47,425 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 16:15:47,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 16:15:47,426 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 16:15:47,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:47,427 INFO L85 PathProgramCache]: Analyzing trace with hash 869514533, now seen corresponding path program 1 times [2024-10-13 16:15:47,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:47,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364479881] [2024-10-13 16:15:47,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:47,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:47,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:15:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:47,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:15:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:47,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:15:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:15:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:47,775 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 16:15:47,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:47,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364479881] [2024-10-13 16:15:47,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364479881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:47,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:47,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:15:47,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175744189] [2024-10-13 16:15:47,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:47,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:15:47,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:47,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:15:47,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:15:47,779 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 16:15:48,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:48,198 INFO L93 Difference]: Finished difference Result 1120 states and 1586 transitions. [2024-10-13 16:15:48,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:15:48,199 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 16:15:48,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:48,205 INFO L225 Difference]: With dead ends: 1120 [2024-10-13 16:15:48,205 INFO L226 Difference]: Without dead ends: 1119 [2024-10-13 16:15:48,205 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 16:15:48,206 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 465 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 16:15:48,206 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 16:15:48,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-10-13 16:15:48,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1115. [2024-10-13 16:15:48,231 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 16:15:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1571 transitions. [2024-10-13 16:15:48,235 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1571 transitions. Word has length 177 [2024-10-13 16:15:48,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:48,236 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1571 transitions. [2024-10-13 16:15:48,236 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 16:15:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1571 transitions. [2024-10-13 16:15:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-13 16:15:48,237 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:48,238 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 16:15:48,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 16:15:48,238 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 16:15:48,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:48,239 INFO L85 PathProgramCache]: Analyzing trace with hash -14028346, now seen corresponding path program 1 times [2024-10-13 16:15:48,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:48,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827098169] [2024-10-13 16:15:48,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:48,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:49,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 16:15:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:49,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-13 16:15:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:49,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 16:15:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:49,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-13 16:15:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:49,271 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 16:15:49,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:49,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827098169] [2024-10-13 16:15:49,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827098169] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:15:49,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493158126] [2024-10-13 16:15:49,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:49,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:49,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:49,274 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 16:15:49,276 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 16:15:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:49,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 16:15:49,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:15:49,958 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 16:15:49,989 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 16:15:50,885 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 16:15:50,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:15:50,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493158126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:50,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:15:50,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-10-13 16:15:50,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081954100] [2024-10-13 16:15:50,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:50,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 16:15:50,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:50,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 16:15:50,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-10-13 16:15:50,889 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 16:15:52,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:52,829 INFO L93 Difference]: Finished difference Result 2194 states and 3101 transitions. [2024-10-13 16:15:52,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 16:15:52,829 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 16:15:52,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:52,835 INFO L225 Difference]: With dead ends: 2194 [2024-10-13 16:15:52,835 INFO L226 Difference]: Without dead ends: 1117 [2024-10-13 16:15:52,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-10-13 16:15:52,838 INFO L432 NwaCegarLoop]: 636 mSDtfsCounter, 821 mSDsluCounter, 3788 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 4424 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:52,839 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 4424 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 16:15:52,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-10-13 16:15:52,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1115. [2024-10-13 16:15:52,871 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 16:15:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1570 transitions. [2024-10-13 16:15:52,875 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1570 transitions. Word has length 182 [2024-10-13 16:15:52,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:52,875 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1570 transitions. [2024-10-13 16:15:52,875 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 16:15:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1570 transitions. [2024-10-13 16:15:52,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-13 16:15:52,877 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:52,878 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 16:15:52,900 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 16:15:53,081 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 16:15:53,082 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 16:15:53,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:53,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2128323550, now seen corresponding path program 1 times [2024-10-13 16:15:53,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:53,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955256273] [2024-10-13 16:15:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:53,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:53,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:15:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:54,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:15:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 16:15:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:54,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 16:15:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:54,009 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 16:15:54,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:54,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955256273] [2024-10-13 16:15:54,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955256273] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:15:54,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135611553] [2024-10-13 16:15:54,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:54,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:54,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:54,012 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 16:15:54,014 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 16:15:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:54,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 16:15:54,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:15:54,674 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 16:15:54,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:15:54,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135611553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:54,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:15:54,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-13 16:15:54,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420981169] [2024-10-13 16:15:54,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:54,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:15:54,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:15:54,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:15:54,678 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 16:15:54,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:54,807 INFO L93 Difference]: Finished difference Result 2192 states and 3100 transitions. [2024-10-13 16:15:54,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:15:54,808 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 16:15:54,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:54,812 INFO L225 Difference]: With dead ends: 2192 [2024-10-13 16:15:54,812 INFO L226 Difference]: Without dead ends: 1115 [2024-10-13 16:15:54,814 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 16:15:54,815 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 16:15:54,815 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 16:15:54,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2024-10-13 16:15:54,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1115. [2024-10-13 16:15:54,845 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 16:15:54,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1568 transitions. [2024-10-13 16:15:54,849 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1568 transitions. Word has length 183 [2024-10-13 16:15:54,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:54,849 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1568 transitions. [2024-10-13 16:15:54,849 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 16:15:54,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1568 transitions. [2024-10-13 16:15:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-13 16:15:54,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:54,851 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 16:15:54,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 16:15:55,055 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 16:15:55,056 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 16:15:55,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:55,056 INFO L85 PathProgramCache]: Analyzing trace with hash -839863135, now seen corresponding path program 1 times [2024-10-13 16:15:55,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:55,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964009304] [2024-10-13 16:15:55,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:55,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:55,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:15:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:55,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:15:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:55,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 16:15:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:55,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 16:15:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:55,558 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 16:15:55,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:55,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964009304] [2024-10-13 16:15:55,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964009304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:55,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:55,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 16:15:55,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126497954] [2024-10-13 16:15:55,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:55,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 16:15:55,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:55,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 16:15:55,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-13 16:15:55,560 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 16:15:56,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:56,199 INFO L93 Difference]: Finished difference Result 2197 states and 3116 transitions. [2024-10-13 16:15:56,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 16:15:56,200 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 16:15:56,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:56,205 INFO L225 Difference]: With dead ends: 2197 [2024-10-13 16:15:56,205 INFO L226 Difference]: Without dead ends: 1123 [2024-10-13 16:15:56,206 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 16:15:56,207 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 16:15:56,207 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 16:15:56,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-10-13 16:15:56,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1121. [2024-10-13 16:15:56,231 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 16:15:56,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1574 transitions. [2024-10-13 16:15:56,234 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1574 transitions. Word has length 184 [2024-10-13 16:15:56,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:56,234 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1574 transitions. [2024-10-13 16:15:56,235 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 16:15:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1574 transitions. [2024-10-13 16:15:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 16:15:56,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:56,237 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 16:15:56,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 16:15:56,237 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 16:15:56,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:56,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2108015735, now seen corresponding path program 1 times [2024-10-13 16:15:56,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:56,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784513491] [2024-10-13 16:15:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:56,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:56,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:15:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:56,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:15:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:56,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 16:15:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:15:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:56,718 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 16:15:56,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:56,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784513491] [2024-10-13 16:15:56,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784513491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:15:56,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:15:56,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 16:15:56,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778693416] [2024-10-13 16:15:56,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:15:56,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 16:15:56,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:15:56,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 16:15:56,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-13 16:15:56,721 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 16:15:57,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:15:57,398 INFO L93 Difference]: Finished difference Result 2203 states and 3120 transitions. [2024-10-13 16:15:57,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 16:15:57,399 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 16:15:57,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:15:57,404 INFO L225 Difference]: With dead ends: 2203 [2024-10-13 16:15:57,404 INFO L226 Difference]: Without dead ends: 1133 [2024-10-13 16:15:57,406 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 16:15:57,407 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 13 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 16:15:57,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 3994 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 16:15:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-13 16:15:57,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1129. [2024-10-13 16:15:57,433 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 16:15:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1584 transitions. [2024-10-13 16:15:57,437 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1584 transitions. Word has length 185 [2024-10-13 16:15:57,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:15:57,437 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1584 transitions. [2024-10-13 16:15:57,437 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 16:15:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1584 transitions. [2024-10-13 16:15:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-13 16:15:57,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:15:57,439 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 16:15:57,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 16:15:57,440 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 16:15:57,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:15:57,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1238658907, now seen corresponding path program 1 times [2024-10-13 16:15:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:15:57,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190644314] [2024-10-13 16:15:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:57,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:15:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:58,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 16:15:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-13 16:15:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 16:15:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:58,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 16:15:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:58,213 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 16:15:58,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:15:58,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190644314] [2024-10-13 16:15:58,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190644314] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:15:58,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075423083] [2024-10-13 16:15:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:15:58,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:15:58,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:15:58,216 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 16:15:58,217 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 16:15:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:15:58,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-13 16:15:58,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:16:27,877 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 16:16:35,886 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 16:16:43,930 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 16:16:55,954 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)