./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 07:14:23,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 07:14:23,313 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 07:14:23,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 07:14:23,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 07:14:23,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 07:14:23,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 07:14:23,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 07:14:23,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 07:14:23,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 07:14:23,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 07:14:23,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 07:14:23,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 07:14:23,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 07:14:23,353 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 07:14:23,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 07:14:23,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 07:14:23,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 07:14:23,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 07:14:23,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 07:14:23,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 07:14:23,361 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 07:14:23,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 07:14:23,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 07:14:23,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 07:14:23,361 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 07:14:23,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 07:14:23,362 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 07:14:23,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 07:14:23,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 07:14:23,362 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 07:14:23,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 07:14:23,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 07:14:23,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 07:14:23,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:14:23,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 07:14:23,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 07:14:23,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 07:14:23,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 07:14:23,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 07:14:23,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 07:14:23,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 07:14:23,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 07:14:23,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 07:14:23,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-11-17 07:14:23,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 07:14:23,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 07:14:23,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 07:14:23,689 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 07:14:23,690 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 07:14:23,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2024-11-17 07:14:25,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 07:14:25,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 07:14:25,458 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2024-11-17 07:14:25,476 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9dcb4fb5/18a0e5a4f0674ddd9b770fc4684ba825/FLAG5ed2be226 [2024-11-17 07:14:25,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9dcb4fb5/18a0e5a4f0674ddd9b770fc4684ba825 [2024-11-17 07:14:25,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 07:14:25,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 07:14:25,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 07:14:25,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 07:14:25,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 07:14:25,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:14:25" (1/1) ... [2024-11-17 07:14:25,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36083420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:25, skipping insertion in model container [2024-11-17 07:14:25,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:14:25" (1/1) ... [2024-11-17 07:14:25,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 07:14:26,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:14:26,131 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 07:14:26,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 07:14:26,305 INFO L204 MainTranslator]: Completed translation [2024-11-17 07:14:26,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26 WrapperNode [2024-11-17 07:14:26,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 07:14:26,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 07:14:26,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 07:14:26,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 07:14:26,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,427 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1568 [2024-11-17 07:14:26,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 07:14:26,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 07:14:26,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 07:14:26,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 07:14:26,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,550 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [2, 34, 266]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-11-17 07:14:26,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,609 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 07:14:26,646 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 07:14:26,647 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 07:14:26,648 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 07:14:26,649 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (1/1) ... [2024-11-17 07:14:26,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 07:14:26,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:26,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 07:14:26,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 07:14:26,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 07:14:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 07:14:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-17 07:14:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 07:14:26,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 07:14:26,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 07:14:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 07:14:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-17 07:14:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-17 07:14:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-17 07:14:26,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-17 07:14:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-17 07:14:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-17 07:14:26,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-17 07:14:26,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 07:14:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 07:14:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 07:14:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-17 07:14:26,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 07:14:26,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 07:14:27,107 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 07:14:27,109 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 07:14:28,508 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L734: call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset);havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-17 07:14:28,615 INFO L? ?]: Removed 346 outVars from TransFormulas that were not future-live. [2024-11-17 07:14:28,616 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 07:14:28,673 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 07:14:28,673 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-17 07:14:28,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:14:28 BoogieIcfgContainer [2024-11-17 07:14:28,674 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 07:14:28,680 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 07:14:28,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 07:14:28,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 07:14:28,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:14:25" (1/3) ... [2024-11-17 07:14:28,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a3bae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:14:28, skipping insertion in model container [2024-11-17 07:14:28,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:14:26" (2/3) ... [2024-11-17 07:14:28,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a3bae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:14:28, skipping insertion in model container [2024-11-17 07:14:28,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 07:14:28" (3/3) ... [2024-11-17 07:14:28,687 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test3-2.i [2024-11-17 07:14:28,704 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 07:14:28,704 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 07:14:28,788 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 07:14:28,795 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;@46ad4365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 07:14:28,796 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 07:14:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 456 states, 442 states have (on average 1.6153846153846154) internal successors, (714), 449 states have internal predecessors, (714), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 07:14:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:14:28,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:28,810 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:28,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:28,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:28,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1785904820, now seen corresponding path program 1 times [2024-11-17 07:14:28,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:28,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919899039] [2024-11-17 07:14:28,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:29,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:29,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919899039] [2024-11-17 07:14:29,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919899039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:29,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:29,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 07:14:29,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964030359] [2024-11-17 07:14:29,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:29,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 07:14:29,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:29,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 07:14:29,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:14:29,043 INFO L87 Difference]: Start difference. First operand has 456 states, 442 states have (on average 1.6153846153846154) internal successors, (714), 449 states have internal predecessors, (714), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:29,206 INFO L93 Difference]: Finished difference Result 908 states and 1445 transitions. [2024-11-17 07:14:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 07:14:29,213 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-17 07:14:29,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:29,231 INFO L225 Difference]: With dead ends: 908 [2024-11-17 07:14:29,231 INFO L226 Difference]: Without dead ends: 410 [2024-11-17 07:14:29,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 07:14:29,244 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:29,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 602 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:29,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-17 07:14:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-17 07:14:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 398 states have (on average 1.4472361809045227) internal successors, (576), 404 states have internal predecessors, (576), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:14:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 584 transitions. [2024-11-17 07:14:29,324 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 584 transitions. Word has length 8 [2024-11-17 07:14:29,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:29,324 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 584 transitions. [2024-11-17 07:14:29,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:29,325 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 584 transitions. [2024-11-17 07:14:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 07:14:29,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:29,326 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:29,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 07:14:29,327 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:29,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:29,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1785905781, now seen corresponding path program 1 times [2024-11-17 07:14:29,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:29,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475279676] [2024-11-17 07:14:29,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:29,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:14:29,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626066868] [2024-11-17 07:14:29,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:29,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:29,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:29,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:29,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 07:14:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:29,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:14:29,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:29,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:29,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:29,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:29,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475279676] [2024-11-17 07:14:29,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:14:29,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626066868] [2024-11-17 07:14:29,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626066868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:29,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:29,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:14:29,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160469969] [2024-11-17 07:14:29,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:29,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:29,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:29,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:29,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:29,657 INFO L87 Difference]: Start difference. First operand 410 states and 584 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:29,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:29,941 INFO L93 Difference]: Finished difference Result 809 states and 1158 transitions. [2024-11-17 07:14:29,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:29,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-17 07:14:29,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:29,947 INFO L225 Difference]: With dead ends: 809 [2024-11-17 07:14:29,948 INFO L226 Difference]: Without dead ends: 808 [2024-11-17 07:14:29,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:29,950 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 561 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:29,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 1547 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:14:29,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-17 07:14:29,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 415. [2024-11-17 07:14:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 403 states have (on average 1.4441687344913152) internal successors, (582), 409 states have internal predecessors, (582), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:14:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 590 transitions. [2024-11-17 07:14:29,982 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 590 transitions. Word has length 8 [2024-11-17 07:14:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:29,982 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 590 transitions. [2024-11-17 07:14:29,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:29,983 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 590 transitions. [2024-11-17 07:14:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 07:14:29,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:29,983 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:30,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 07:14:30,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:30,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:30,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:30,185 INFO L85 PathProgramCache]: Analyzing trace with hash -471494906, now seen corresponding path program 1 times [2024-11-17 07:14:30,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:30,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679833069] [2024-11-17 07:14:30,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:30,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 07:14:30,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632348770] [2024-11-17 07:14:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:30,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:30,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:30,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 07:14:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:30,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:14:30,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:30,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:30,434 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:30,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:30,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679833069] [2024-11-17 07:14:30,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 07:14:30,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632348770] [2024-11-17 07:14:30,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632348770] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:30,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:30,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:14:30,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873803679] [2024-11-17 07:14:30,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:30,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:30,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:30,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:30,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:30,436 INFO L87 Difference]: Start difference. First operand 415 states and 590 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:30,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:30,711 INFO L93 Difference]: Finished difference Result 808 states and 1157 transitions. [2024-11-17 07:14:30,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:30,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-17 07:14:30,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:30,719 INFO L225 Difference]: With dead ends: 808 [2024-11-17 07:14:30,720 INFO L226 Difference]: Without dead ends: 807 [2024-11-17 07:14:30,720 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:30,721 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 559 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:30,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 1630 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:14:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2024-11-17 07:14:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 416. [2024-11-17 07:14:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 404 states have (on average 1.443069306930693) internal successors, (583), 410 states have internal predecessors, (583), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:14:30,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 591 transitions. [2024-11-17 07:14:30,748 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 591 transitions. Word has length 9 [2024-11-17 07:14:30,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:30,749 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 591 transitions. [2024-11-17 07:14:30,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 591 transitions. [2024-11-17 07:14:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 07:14:30,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:30,753 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] [2024-11-17 07:14:30,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 07:14:30,954 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,SelfDestructingSolverStorable2 [2024-11-17 07:14:30,955 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:30,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:30,955 INFO L85 PathProgramCache]: Analyzing trace with hash 251916066, now seen corresponding path program 1 times [2024-11-17 07:14:30,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:30,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351804232] [2024-11-17 07:14:30,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:30,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:14:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:31,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:31,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351804232] [2024-11-17 07:14:31,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351804232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:31,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:31,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:14:31,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554108910] [2024-11-17 07:14:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:31,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:31,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:31,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:31,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:31,313 INFO L87 Difference]: Start difference. First operand 416 states and 591 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:14:31,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:31,493 INFO L93 Difference]: Finished difference Result 614 states and 875 transitions. [2024-11-17 07:14:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:31,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2024-11-17 07:14:31,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:31,496 INFO L225 Difference]: With dead ends: 614 [2024-11-17 07:14:31,497 INFO L226 Difference]: Without dead ends: 419 [2024-11-17 07:14:31,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:31,499 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 105 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:31,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1457 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 07:14:31,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-17 07:14:31,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 416. [2024-11-17 07:14:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 404 states have (on average 1.4257425742574257) internal successors, (576), 410 states have internal predecessors, (576), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 07:14:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 584 transitions. [2024-11-17 07:14:31,516 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 584 transitions. Word has length 72 [2024-11-17 07:14:31,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:31,517 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 584 transitions. [2024-11-17 07:14:31,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:14:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 584 transitions. [2024-11-17 07:14:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 07:14:31,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:31,521 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] [2024-11-17 07:14:31,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 07:14:31,521 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:31,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:31,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1674662564, now seen corresponding path program 1 times [2024-11-17 07:14:31,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:31,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463024440] [2024-11-17 07:14:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:31,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:14:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:31,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:31,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463024440] [2024-11-17 07:14:31,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463024440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:31,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:31,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:14:31,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630416239] [2024-11-17 07:14:31,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:31,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:31,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:31,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:31,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:31,677 INFO L87 Difference]: Start difference. First operand 416 states and 584 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:14:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:31,788 INFO L93 Difference]: Finished difference Result 611 states and 858 transitions. [2024-11-17 07:14:31,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:31,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2024-11-17 07:14:31,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:31,791 INFO L225 Difference]: With dead ends: 611 [2024-11-17 07:14:31,791 INFO L226 Difference]: Without dead ends: 411 [2024-11-17 07:14:31,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:31,793 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 0 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:31,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1594 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:31,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-17 07:14:31,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2024-11-17 07:14:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 401 states have (on average 1.42643391521197) internal successors, (572), 406 states have internal predecessors, (572), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:31,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 578 transitions. [2024-11-17 07:14:31,807 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 578 transitions. Word has length 72 [2024-11-17 07:14:31,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:31,808 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 578 transitions. [2024-11-17 07:14:31,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 07:14:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 578 transitions. [2024-11-17 07:14:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-17 07:14:31,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:31,811 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] [2024-11-17 07:14:31,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 07:14:31,812 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:31,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:31,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1655740905, now seen corresponding path program 1 times [2024-11-17 07:14:31,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:31,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367583108] [2024-11-17 07:14:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:31,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:31,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:31,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367583108] [2024-11-17 07:14:31,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367583108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:31,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:31,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:14:31,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790614274] [2024-11-17 07:14:31,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:31,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:14:31,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:31,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:14:31,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:14:31,913 INFO L87 Difference]: Start difference. First operand 411 states and 578 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:32,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:32,028 INFO L93 Difference]: Finished difference Result 609 states and 855 transitions. [2024-11-17 07:14:32,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:14:32,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2024-11-17 07:14:32,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:32,030 INFO L225 Difference]: With dead ends: 609 [2024-11-17 07:14:32,030 INFO L226 Difference]: Without dead ends: 411 [2024-11-17 07:14:32,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:14:32,031 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 16 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:32,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1031 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:32,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-17 07:14:32,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2024-11-17 07:14:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 401 states have (on average 1.4164588528678304) internal successors, (568), 406 states have internal predecessors, (568), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 574 transitions. [2024-11-17 07:14:32,041 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 574 transitions. Word has length 73 [2024-11-17 07:14:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:32,041 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 574 transitions. [2024-11-17 07:14:32,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 574 transitions. [2024-11-17 07:14:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:14:32,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:32,043 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] [2024-11-17 07:14:32,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 07:14:32,043 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:32,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:32,044 INFO L85 PathProgramCache]: Analyzing trace with hash 915846396, now seen corresponding path program 1 times [2024-11-17 07:14:32,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:32,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773308990] [2024-11-17 07:14:32,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:32,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:32,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:32,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773308990] [2024-11-17 07:14:32,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773308990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:32,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:32,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:14:32,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147388298] [2024-11-17 07:14:32,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:32,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:32,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:32,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:32,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 07:14:32,262 INFO L87 Difference]: Start difference. First operand 411 states and 574 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:32,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:32,398 INFO L93 Difference]: Finished difference Result 771 states and 1072 transitions. [2024-11-17 07:14:32,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:14:32,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 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 84 [2024-11-17 07:14:32,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:32,401 INFO L225 Difference]: With dead ends: 771 [2024-11-17 07:14:32,403 INFO L226 Difference]: Without dead ends: 369 [2024-11-17 07:14:32,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:32,404 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 30 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:32,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1276 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:32,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-17 07:14:32,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2024-11-17 07:14:32,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 359 states have (on average 1.3676880222841226) internal successors, (491), 364 states have internal predecessors, (491), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 497 transitions. [2024-11-17 07:14:32,414 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 497 transitions. Word has length 84 [2024-11-17 07:14:32,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:32,415 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 497 transitions. [2024-11-17 07:14:32,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 497 transitions. [2024-11-17 07:14:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 07:14:32,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:32,417 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] [2024-11-17 07:14:32,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 07:14:32,418 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:32,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:32,418 INFO L85 PathProgramCache]: Analyzing trace with hash -470097323, now seen corresponding path program 1 times [2024-11-17 07:14:32,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:32,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481244004] [2024-11-17 07:14:32,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:32,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:32,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:32,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:32,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481244004] [2024-11-17 07:14:32,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481244004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:32,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:32,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 07:14:32,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624984311] [2024-11-17 07:14:32,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:32,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:14:32,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:32,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:14:32,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:14:32,585 INFO L87 Difference]: Start difference. First operand 369 states and 497 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:32,729 INFO L93 Difference]: Finished difference Result 956 states and 1302 transitions. [2024-11-17 07:14:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:14:32,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2024-11-17 07:14:32,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:32,731 INFO L225 Difference]: With dead ends: 956 [2024-11-17 07:14:32,732 INFO L226 Difference]: Without dead ends: 464 [2024-11-17 07:14:32,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 07:14:32,733 INFO L432 NwaCegarLoop]: 450 mSDtfsCounter, 257 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:32,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 878 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:32,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-17 07:14:32,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 462. [2024-11-17 07:14:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 452 states have (on average 1.3606194690265487) internal successors, (615), 457 states have internal predecessors, (615), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 07:14:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 621 transitions. [2024-11-17 07:14:32,744 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 621 transitions. Word has length 84 [2024-11-17 07:14:32,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:32,745 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 621 transitions. [2024-11-17 07:14:32,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 07:14:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 621 transitions. [2024-11-17 07:14:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-17 07:14:32,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:32,746 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:32,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 07:14:32,746 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:32,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:32,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1623362271, now seen corresponding path program 1 times [2024-11-17 07:14:32,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:32,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073515277] [2024-11-17 07:14:32,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:33,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:14:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:33,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:14:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:33,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:33,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073515277] [2024-11-17 07:14:33,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073515277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:33,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:33,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 07:14:33,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239600121] [2024-11-17 07:14:33,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:33,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 07:14:33,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:33,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 07:14:33,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 07:14:33,109 INFO L87 Difference]: Start difference. First operand 462 states and 621 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:33,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:33,545 INFO L93 Difference]: Finished difference Result 729 states and 989 transitions. [2024-11-17 07:14:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 07:14:33,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 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 99 [2024-11-17 07:14:33,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:33,551 INFO L225 Difference]: With dead ends: 729 [2024-11-17 07:14:33,552 INFO L226 Difference]: Without dead ends: 727 [2024-11-17 07:14:33,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:14:33,554 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 381 mSDsluCounter, 1227 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1662 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:33,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1662 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:14:33,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-11-17 07:14:33,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 527. [2024-11-17 07:14:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 514 states have (on average 1.350194552529183) internal successors, (694), 519 states have internal predecessors, (694), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 706 transitions. [2024-11-17 07:14:33,575 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 706 transitions. Word has length 99 [2024-11-17 07:14:33,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:33,576 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 706 transitions. [2024-11-17 07:14:33,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 706 transitions. [2024-11-17 07:14:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 07:14:33,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:33,577 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:33,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 07:14:33,578 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:33,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:33,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1580191776, now seen corresponding path program 1 times [2024-11-17 07:14:33,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:33,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739994916] [2024-11-17 07:14:33,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:33,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-17 07:14:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-17 07:14:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739994916] [2024-11-17 07:14:34,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739994916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469288981] [2024-11-17 07:14:34,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:34,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:34,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:34,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:34,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 07:14:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:34,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 07:14:34,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:34,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:34,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:34,522 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 23 treesize of output 22 [2024-11-17 07:14:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:35,303 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:35,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469288981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:35,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:35,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-17 07:14:35,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309373179] [2024-11-17 07:14:35,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:35,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:14:35,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:35,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:14:35,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-17 07:14:35,306 INFO L87 Difference]: Start difference. First operand 527 states and 706 transitions. Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:37,409 INFO L93 Difference]: Finished difference Result 1216 states and 1642 transitions. [2024-11-17 07:14:37,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:14:37,409 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 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 106 [2024-11-17 07:14:37,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:37,413 INFO L225 Difference]: With dead ends: 1216 [2024-11-17 07:14:37,413 INFO L226 Difference]: Without dead ends: 738 [2024-11-17 07:14:37,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-17 07:14:37,415 INFO L432 NwaCegarLoop]: 479 mSDtfsCounter, 590 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 2871 SdHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:37,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 2871 Invalid, 876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 07:14:37,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-17 07:14:37,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 527. [2024-11-17 07:14:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 514 states have (on average 1.3482490272373542) internal successors, (693), 519 states have internal predecessors, (693), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 705 transitions. [2024-11-17 07:14:37,431 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 705 transitions. Word has length 106 [2024-11-17 07:14:37,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:37,431 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 705 transitions. [2024-11-17 07:14:37,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:37,432 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 705 transitions. [2024-11-17 07:14:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-17 07:14:37,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:37,432 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:37,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 07:14:37,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:37,633 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:37,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:37,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1000121334, now seen corresponding path program 1 times [2024-11-17 07:14:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:37,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342650082] [2024-11-17 07:14:37,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:37,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:38,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-17 07:14:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:38,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 07:14:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:38,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:38,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342650082] [2024-11-17 07:14:38,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342650082] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:38,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576721656] [2024-11-17 07:14:38,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:38,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:38,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:38,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:38,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 07:14:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:38,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-17 07:14:38,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:38,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:38,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:38,508 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 23 treesize of output 22 [2024-11-17 07:14:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:39,356 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:39,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576721656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:39,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:39,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-17 07:14:39,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698594026] [2024-11-17 07:14:39,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:39,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:14:39,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:39,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:14:39,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:14:39,358 INFO L87 Difference]: Start difference. First operand 527 states and 705 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:41,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:41,017 INFO L93 Difference]: Finished difference Result 1231 states and 1662 transitions. [2024-11-17 07:14:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 07:14:41,018 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 107 [2024-11-17 07:14:41,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:41,021 INFO L225 Difference]: With dead ends: 1231 [2024-11-17 07:14:41,021 INFO L226 Difference]: Without dead ends: 758 [2024-11-17 07:14:41,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2024-11-17 07:14:41,023 INFO L432 NwaCegarLoop]: 434 mSDtfsCounter, 674 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:41,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 2713 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 07:14:41,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-17 07:14:41,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 543. [2024-11-17 07:14:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 530 states have (on average 1.3452830188679246) internal successors, (713), 535 states have internal predecessors, (713), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 725 transitions. [2024-11-17 07:14:41,040 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 725 transitions. Word has length 107 [2024-11-17 07:14:41,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:41,041 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 725 transitions. [2024-11-17 07:14:41,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 12 states have internal predecessors, (100), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 725 transitions. [2024-11-17 07:14:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-17 07:14:41,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:41,042 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:41,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 07:14:41,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:41,247 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:41,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1759823837, now seen corresponding path program 1 times [2024-11-17 07:14:41,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:41,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136025326] [2024-11-17 07:14:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:41,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:41,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:14:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:41,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:14:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:41,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:41,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136025326] [2024-11-17 07:14:41,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136025326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:41,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:41,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 07:14:41,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488824213] [2024-11-17 07:14:41,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:41,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:14:41,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:41,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:14:41,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:14:41,629 INFO L87 Difference]: Start difference. First operand 543 states and 725 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:42,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:42,074 INFO L93 Difference]: Finished difference Result 1039 states and 1404 transitions. [2024-11-17 07:14:42,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:14:42,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 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 108 [2024-11-17 07:14:42,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:42,077 INFO L225 Difference]: With dead ends: 1039 [2024-11-17 07:14:42,077 INFO L226 Difference]: Without dead ends: 552 [2024-11-17 07:14:42,078 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 07:14:42,079 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 12 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:42,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1956 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 07:14:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-17 07:14:42,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 549. [2024-11-17 07:14:42,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 536 states have (on average 1.3414179104477613) internal successors, (719), 541 states have internal predecessors, (719), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 731 transitions. [2024-11-17 07:14:42,136 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 731 transitions. Word has length 108 [2024-11-17 07:14:42,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:42,137 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 731 transitions. [2024-11-17 07:14:42,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 6 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 731 transitions. [2024-11-17 07:14:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-17 07:14:42,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:42,138 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:42,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 07:14:42,139 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:42,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:42,139 INFO L85 PathProgramCache]: Analyzing trace with hash -650066201, now seen corresponding path program 1 times [2024-11-17 07:14:42,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:42,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867647723] [2024-11-17 07:14:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:42,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:42,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 07:14:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:42,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-17 07:14:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:42,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:42,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867647723] [2024-11-17 07:14:42,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867647723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:42,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:42,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 07:14:42,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828058587] [2024-11-17 07:14:42,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:42,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 07:14:42,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:42,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 07:14:42,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:14:42,507 INFO L87 Difference]: Start difference. First operand 549 states and 731 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:43,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:43,110 INFO L93 Difference]: Finished difference Result 1045 states and 1408 transitions. [2024-11-17 07:14:43,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:14:43,110 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 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 108 [2024-11-17 07:14:43,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:43,113 INFO L225 Difference]: With dead ends: 1045 [2024-11-17 07:14:43,113 INFO L226 Difference]: Without dead ends: 562 [2024-11-17 07:14:43,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-17 07:14:43,114 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 17 mSDsluCounter, 2232 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2664 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:43,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2664 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:14:43,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-17 07:14:43,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 557. [2024-11-17 07:14:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 544 states have (on average 1.3400735294117647) internal successors, (729), 549 states have internal predecessors, (729), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 741 transitions. [2024-11-17 07:14:43,133 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 741 transitions. Word has length 108 [2024-11-17 07:14:43,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:43,133 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 741 transitions. [2024-11-17 07:14:43,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 7 states have internal predecessors, (101), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 741 transitions. [2024-11-17 07:14:43,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 07:14:43,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:43,135 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:43,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 07:14:43,136 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:43,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:43,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1281378516, now seen corresponding path program 1 times [2024-11-17 07:14:43,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:43,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102831040] [2024-11-17 07:14:43,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:43,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 07:14:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:43,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-17 07:14:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:43,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:43,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102831040] [2024-11-17 07:14:43,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102831040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:43,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737093104] [2024-11-17 07:14:43,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:43,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:43,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:43,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:43,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 07:14:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:43,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 07:14:43,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:44,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:44,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737093104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:44,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:44,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:14:44,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623877710] [2024-11-17 07:14:44,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:44,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:14:44,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:44,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:14:44,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:44,200 INFO L87 Difference]: Start difference. First operand 557 states and 741 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:45,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:45,903 INFO L93 Difference]: Finished difference Result 1060 states and 1423 transitions. [2024-11-17 07:14:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:14:45,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2024-11-17 07:14:45,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:45,905 INFO L225 Difference]: With dead ends: 1060 [2024-11-17 07:14:45,906 INFO L226 Difference]: Without dead ends: 559 [2024-11-17 07:14:45,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:45,907 INFO L432 NwaCegarLoop]: 437 mSDtfsCounter, 12 mSDsluCounter, 1854 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:45,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2291 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-17 07:14:45,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-17 07:14:45,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 547. [2024-11-17 07:14:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 534 states have (on average 1.3352059925093633) internal successors, (713), 539 states have internal predecessors, (713), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 725 transitions. [2024-11-17 07:14:45,923 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 725 transitions. Word has length 109 [2024-11-17 07:14:45,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:45,924 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 725 transitions. [2024-11-17 07:14:45,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 725 transitions. [2024-11-17 07:14:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-17 07:14:45,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:45,925 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:45,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 07:14:46,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 07:14:46,126 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:46,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:46,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1453639946, now seen corresponding path program 1 times [2024-11-17 07:14:46,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:46,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818036213] [2024-11-17 07:14:46,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:46,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:46,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-17 07:14:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-17 07:14:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:46,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:46,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:46,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818036213] [2024-11-17 07:14:46,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818036213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:46,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:46,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-17 07:14:46,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238377391] [2024-11-17 07:14:46,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:46,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 07:14:46,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:46,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 07:14:46,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:46,511 INFO L87 Difference]: Start difference. First operand 547 states and 725 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:47,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:47,097 INFO L93 Difference]: Finished difference Result 1043 states and 1398 transitions. [2024-11-17 07:14:47,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 07:14:47,097 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 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 110 [2024-11-17 07:14:47,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:47,099 INFO L225 Difference]: With dead ends: 1043 [2024-11-17 07:14:47,099 INFO L226 Difference]: Without dead ends: 570 [2024-11-17 07:14:47,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:47,101 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 23 mSDsluCounter, 2692 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:47,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 3124 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:14:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-17 07:14:47,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 561. [2024-11-17 07:14:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 548 states have (on average 1.333941605839416) internal successors, (731), 553 states have internal predecessors, (731), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:47,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 743 transitions. [2024-11-17 07:14:47,117 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 743 transitions. Word has length 110 [2024-11-17 07:14:47,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:47,117 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 743 transitions. [2024-11-17 07:14:47,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 9 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 743 transitions. [2024-11-17 07:14:47,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 07:14:47,118 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:47,118 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:47,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 07:14:47,119 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:47,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:47,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1275125429, now seen corresponding path program 1 times [2024-11-17 07:14:47,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:47,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391812887] [2024-11-17 07:14:47,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:47,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 07:14:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:14:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:47,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:47,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391812887] [2024-11-17 07:14:47,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391812887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:47,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 07:14:47,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-17 07:14:47,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594576503] [2024-11-17 07:14:47,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:47,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 07:14:47,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:47,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 07:14:47,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-17 07:14:47,541 INFO L87 Difference]: Start difference. First operand 561 states and 743 transitions. Second operand has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:48,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:48,190 INFO L93 Difference]: Finished difference Result 1067 states and 1431 transitions. [2024-11-17 07:14:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 07:14:48,190 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 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 111 [2024-11-17 07:14:48,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:48,193 INFO L225 Difference]: With dead ends: 1067 [2024-11-17 07:14:48,193 INFO L226 Difference]: Without dead ends: 582 [2024-11-17 07:14:48,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-17 07:14:48,194 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 29 mSDsluCounter, 2682 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 3120 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:48,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 3120 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 07:14:48,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-17 07:14:48,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 567. [2024-11-17 07:14:48,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 554 states have (on average 1.3303249097472925) internal successors, (737), 559 states have internal predecessors, (737), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 749 transitions. [2024-11-17 07:14:48,209 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 749 transitions. Word has length 111 [2024-11-17 07:14:48,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:48,210 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 749 transitions. [2024-11-17 07:14:48,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.454545454545455) internal successors, (104), 10 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 749 transitions. [2024-11-17 07:14:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 07:14:48,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:48,211 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:48,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 07:14:48,212 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:48,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:48,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1678092755, now seen corresponding path program 1 times [2024-11-17 07:14:48,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:48,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133807616] [2024-11-17 07:14:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:48,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:48,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 07:14:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:48,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:14:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:48,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:48,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133807616] [2024-11-17 07:14:48,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133807616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:48,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295479981] [2024-11-17 07:14:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:48,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:48,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:48,614 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:48,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 07:14:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:49,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 07:14:49,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:49,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:49,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295479981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:49,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:49,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:14:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800656388] [2024-11-17 07:14:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:49,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:14:49,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:49,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:14:49,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:49,116 INFO L87 Difference]: Start difference. First operand 567 states and 749 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:49,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:49,482 INFO L93 Difference]: Finished difference Result 1064 states and 1417 transitions. [2024-11-17 07:14:49,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 07:14:49,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 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 111 [2024-11-17 07:14:49,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:49,485 INFO L225 Difference]: With dead ends: 1064 [2024-11-17 07:14:49,485 INFO L226 Difference]: Without dead ends: 581 [2024-11-17 07:14:49,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-17 07:14:49,486 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 41 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 2320 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:49,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 2320 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 07:14:49,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-17 07:14:49,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2024-11-17 07:14:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 558 states have (on average 1.3279569892473118) internal successors, (741), 563 states have internal predecessors, (741), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 753 transitions. [2024-11-17 07:14:49,502 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 753 transitions. Word has length 111 [2024-11-17 07:14:49,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:49,503 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 753 transitions. [2024-11-17 07:14:49,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:49,503 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 753 transitions. [2024-11-17 07:14:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-17 07:14:49,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:49,504 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:49,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 07:14:49,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 07:14:49,709 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:49,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:49,709 INFO L85 PathProgramCache]: Analyzing trace with hash -352110065, now seen corresponding path program 1 times [2024-11-17 07:14:49,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:49,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528760271] [2024-11-17 07:14:49,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:49,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:50,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-17 07:14:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:50,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 07:14:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:50,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:50,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528760271] [2024-11-17 07:14:50,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528760271] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:50,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377018282] [2024-11-17 07:14:50,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:50,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:50,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:50,151 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:50,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 07:14:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:50,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-17 07:14:50,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:50,790 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:50,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377018282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:50,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:50,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-17 07:14:50,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427857752] [2024-11-17 07:14:50,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:50,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 07:14:50,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:50,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 07:14:50,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:50,792 INFO L87 Difference]: Start difference. First operand 571 states and 753 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:51,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:51,307 INFO L93 Difference]: Finished difference Result 1071 states and 1427 transitions. [2024-11-17 07:14:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 07:14:51,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 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 111 [2024-11-17 07:14:51,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:51,310 INFO L225 Difference]: With dead ends: 1071 [2024-11-17 07:14:51,311 INFO L226 Difference]: Without dead ends: 581 [2024-11-17 07:14:51,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:14:51,312 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 10 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2316 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:51,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2316 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:14:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-17 07:14:51,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2024-11-17 07:14:51,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 558 states have (on average 1.3279569892473118) internal successors, (741), 563 states have internal predecessors, (741), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 753 transitions. [2024-11-17 07:14:51,329 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 753 transitions. Word has length 111 [2024-11-17 07:14:51,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:51,329 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 753 transitions. [2024-11-17 07:14:51,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:51,329 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 753 transitions. [2024-11-17 07:14:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-17 07:14:51,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:51,330 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:51,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 07:14:51,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:51,535 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:51,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:51,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2113974597, now seen corresponding path program 1 times [2024-11-17 07:14:51,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132141466] [2024-11-17 07:14:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:51,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:14:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:51,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 07:14:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:51,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:51,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132141466] [2024-11-17 07:14:51,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132141466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:51,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449008471] [2024-11-17 07:14:51,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:51,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:51,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:51,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:51,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 07:14:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:52,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-17 07:14:52,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:14:53,104 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:53,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449008471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:53,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:53,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-17 07:14:53,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674980393] [2024-11-17 07:14:53,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:53,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 07:14:53,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:53,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 07:14:53,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:14:53,106 INFO L87 Difference]: Start difference. First operand 571 states and 753 transitions. Second operand has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:53,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:53,880 INFO L93 Difference]: Finished difference Result 1070 states and 1425 transitions. [2024-11-17 07:14:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 07:14:53,881 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 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 112 [2024-11-17 07:14:53,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:53,883 INFO L225 Difference]: With dead ends: 1070 [2024-11-17 07:14:53,883 INFO L226 Difference]: Without dead ends: 595 [2024-11-17 07:14:53,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2024-11-17 07:14:53,885 INFO L432 NwaCegarLoop]: 426 mSDtfsCounter, 16 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3837 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:53,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3837 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:14:53,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2024-11-17 07:14:53,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 583. [2024-11-17 07:14:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 570 states have (on average 1.3245614035087718) internal successors, (755), 575 states have internal predecessors, (755), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 07:14:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 767 transitions. [2024-11-17 07:14:53,900 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 767 transitions. Word has length 112 [2024-11-17 07:14:53,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:53,900 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 767 transitions. [2024-11-17 07:14:53,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.75) internal successors, (105), 12 states have internal predecessors, (105), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:14:53,900 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 767 transitions. [2024-11-17 07:14:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-17 07:14:53,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:53,901 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:53,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 07:14:54,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:54,102 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:54,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:54,103 INFO L85 PathProgramCache]: Analyzing trace with hash -749759299, now seen corresponding path program 1 times [2024-11-17 07:14:54,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:54,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675505700] [2024-11-17 07:14:54,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:54,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:54,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:54,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:14:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:54,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-17 07:14:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:54,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:54,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675505700] [2024-11-17 07:14:54,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675505700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:54,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227893693] [2024-11-17 07:14:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:54,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:54,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:54,455 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:54,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 07:14:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:55,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 07:14:55,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 07:14:55,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:14:55,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227893693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:14:55,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:14:55,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-17 07:14:55,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598875339] [2024-11-17 07:14:55,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:14:55,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 07:14:55,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:55,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 07:14:55,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:14:55,263 INFO L87 Difference]: Start difference. First operand 583 states and 767 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:14:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:14:55,367 INFO L93 Difference]: Finished difference Result 1042 states and 1382 transitions. [2024-11-17 07:14:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 07:14:55,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 112 [2024-11-17 07:14:55,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:14:55,371 INFO L225 Difference]: With dead ends: 1042 [2024-11-17 07:14:55,371 INFO L226 Difference]: Without dead ends: 586 [2024-11-17 07:14:55,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 07:14:55,372 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 0 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:14:55,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1337 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:14:55,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-17 07:14:55,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2024-11-17 07:14:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 572 states have (on average 1.3251748251748252) internal successors, (758), 578 states have internal predecessors, (758), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:14:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 772 transitions. [2024-11-17 07:14:55,388 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 772 transitions. Word has length 112 [2024-11-17 07:14:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:14:55,389 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 772 transitions. [2024-11-17 07:14:55,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 07:14:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 772 transitions. [2024-11-17 07:14:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 07:14:55,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:14:55,390 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:14:55,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 07:14:55,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:55,591 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:14:55,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:14:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2048702535, now seen corresponding path program 1 times [2024-11-17 07:14:55,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:14:55,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696837207] [2024-11-17 07:14:55,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:55,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:14:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:55,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:14:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:56,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-17 07:14:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:14:56,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:14:56,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696837207] [2024-11-17 07:14:56,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696837207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:14:56,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518551486] [2024-11-17 07:14:56,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:14:56,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:14:56,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:14:56,056 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:14:56,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 07:14:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:14:57,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 07:14:57,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:14:57,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-17 07:14:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 07:14:57,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:14:57,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 07:14:57,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518551486] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:14:57,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:14:57,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 9] total 18 [2024-11-17 07:14:57,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431707167] [2024-11-17 07:14:57,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:14:57,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 07:14:57,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:14:57,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 07:14:57,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-11-17 07:14:57,843 INFO L87 Difference]: Start difference. First operand 586 states and 772 transitions. Second operand has 18 states, 18 states have (on average 12.222222222222221) internal successors, (220), 16 states have internal predecessors, (220), 4 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 07:15:03,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-17 07:15:07,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-17 07:15:11,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-17 07:15:11,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:11,417 INFO L93 Difference]: Finished difference Result 1339 states and 1791 transitions. [2024-11-17 07:15:11,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-17 07:15:11,418 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 12.222222222222221) internal successors, (220), 16 states have internal predecessors, (220), 4 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) Word has length 114 [2024-11-17 07:15:11,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:11,424 INFO L225 Difference]: With dead ends: 1339 [2024-11-17 07:15:11,424 INFO L226 Difference]: Without dead ends: 880 [2024-11-17 07:15:11,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=243, Invalid=1089, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 07:15:11,427 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 761 mSDsluCounter, 4551 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 42 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 5057 SdHoareTripleChecker+Invalid, 989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:11,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [766 Valid, 5057 Invalid, 989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 944 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2024-11-17 07:15:11,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2024-11-17 07:15:11,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 676. [2024-11-17 07:15:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 656 states have (on average 1.333841463414634) internal successors, (875), 662 states have internal predecessors, (875), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-17 07:15:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 895 transitions. [2024-11-17 07:15:11,457 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 895 transitions. Word has length 114 [2024-11-17 07:15:11,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:11,458 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 895 transitions. [2024-11-17 07:15:11,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.222222222222221) internal successors, (220), 16 states have internal predecessors, (220), 4 states have call successors, (6), 4 states have call predecessors, (6), 5 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-17 07:15:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 895 transitions. [2024-11-17 07:15:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 07:15:11,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:11,459 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:11,487 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 07:15:11,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-17 07:15:11,660 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:15:11,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2143252291, now seen corresponding path program 2 times [2024-11-17 07:15:11,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:11,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659388744] [2024-11-17 07:15:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:11,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:12,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:15:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:12,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 07:15:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:12,417 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:15:12,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:12,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659388744] [2024-11-17 07:15:12,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659388744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:12,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122875758] [2024-11-17 07:15:12,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:15:12,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:12,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:12,420 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:15:12,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 07:15:12,796 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 07:15:12,797 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:15:12,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 07:15:12,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:12,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-17 07:15:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-17 07:15:12,823 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 07:15:12,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122875758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 07:15:12,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 07:15:12,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9] total 10 [2024-11-17 07:15:12,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230793878] [2024-11-17 07:15:12,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 07:15:12,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 07:15:12,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:12,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 07:15:12,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:15:12,825 INFO L87 Difference]: Start difference. First operand 676 states and 895 transitions. Second operand has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:15:12,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:12,908 INFO L93 Difference]: Finished difference Result 676 states and 895 transitions. [2024-11-17 07:15:12,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 07:15:12,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 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 118 [2024-11-17 07:15:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:12,911 INFO L225 Difference]: With dead ends: 676 [2024-11-17 07:15:12,911 INFO L226 Difference]: Without dead ends: 675 [2024-11-17 07:15:12,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 07:15:12,912 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 2 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:12,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 888 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 07:15:12,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-17 07:15:12,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 675. [2024-11-17 07:15:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 656 states have (on average 1.3323170731707317) internal successors, (874), 661 states have internal predecessors, (874), 8 states have call successors, (8), 4 states have call predecessors, (8), 6 states have return successors, (12), 9 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-17 07:15:12,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 894 transitions. [2024-11-17 07:15:12,959 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 894 transitions. Word has length 118 [2024-11-17 07:15:12,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:12,960 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 894 transitions. [2024-11-17 07:15:12,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 51.5) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 07:15:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 894 transitions. [2024-11-17 07:15:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-17 07:15:12,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:12,963 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:12,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 07:15:13,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-17 07:15:13,164 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:15:13,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:13,165 INFO L85 PathProgramCache]: Analyzing trace with hash -2016310850, now seen corresponding path program 1 times [2024-11-17 07:15:13,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:13,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219715522] [2024-11-17 07:15:13,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:13,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:13,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:15:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:13,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-17 07:15:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 07:15:13,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:13,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219715522] [2024-11-17 07:15:13,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219715522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:13,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324238394] [2024-11-17 07:15:13,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:13,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:13,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:13,724 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:15:13,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 07:15:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:14,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 07:15:14,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 07:15:14,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:15:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 07:15:14,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324238394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:15:14,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:15:14,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 6] total 20 [2024-11-17 07:15:14,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596711030] [2024-11-17 07:15:14,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:15:14,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-17 07:15:14,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:14,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-17 07:15:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-17 07:15:14,589 INFO L87 Difference]: Start difference. First operand 675 states and 894 transitions. Second operand has 20 states, 20 states have (on average 6.7) internal successors, (134), 19 states have internal predecessors, (134), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:15,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:15,305 INFO L93 Difference]: Finished difference Result 1184 states and 1583 transitions. [2024-11-17 07:15:15,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 07:15:15,306 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.7) internal successors, (134), 19 states have internal predecessors, (134), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 119 [2024-11-17 07:15:15,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:15,309 INFO L225 Difference]: With dead ends: 1184 [2024-11-17 07:15:15,309 INFO L226 Difference]: Without dead ends: 636 [2024-11-17 07:15:15,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2024-11-17 07:15:15,311 INFO L432 NwaCegarLoop]: 435 mSDtfsCounter, 37 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 3816 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:15,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 3816 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 07:15:15,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-17 07:15:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 624. [2024-11-17 07:15:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 607 states have (on average 1.3410214168039538) internal successors, (814), 613 states have internal predecessors, (814), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:15:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 828 transitions. [2024-11-17 07:15:15,334 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 828 transitions. Word has length 119 [2024-11-17 07:15:15,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:15,334 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 828 transitions. [2024-11-17 07:15:15,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.7) internal successors, (134), 19 states have internal predecessors, (134), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 828 transitions. [2024-11-17 07:15:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-17 07:15:15,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:15,336 INFO L215 NwaCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:15,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 07:15:15,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-17 07:15:15,537 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:15:15,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:15,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1769304690, now seen corresponding path program 2 times [2024-11-17 07:15:15,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:15,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112746927] [2024-11-17 07:15:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:15,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:16,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:15:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-17 07:15:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 71 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-17 07:15:16,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:16,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112746927] [2024-11-17 07:15:16,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112746927] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:16,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839411117] [2024-11-17 07:15:16,233 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 07:15:16,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:16,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:16,235 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:15:16,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 07:15:17,506 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 07:15:17,506 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 07:15:17,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-17 07:15:17,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 07:15:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-17 07:15:17,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 07:15:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 62 proven. 31 refuted. 5 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 07:15:38,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839411117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 07:15:38,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 07:15:38,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 12] total 30 [2024-11-17 07:15:38,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881067230] [2024-11-17 07:15:38,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 07:15:38,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 07:15:38,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 07:15:38,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 07:15:38,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=634, Unknown=5, NotChecked=0, Total=870 [2024-11-17 07:15:38,158 INFO L87 Difference]: Start difference. First operand 624 states and 828 transitions. Second operand has 30 states, 30 states have (on average 4.733333333333333) internal successors, (142), 29 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:40,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 07:15:40,217 INFO L93 Difference]: Finished difference Result 1164 states and 1567 transitions. [2024-11-17 07:15:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-17 07:15:40,218 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.733333333333333) internal successors, (142), 29 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 126 [2024-11-17 07:15:40,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 07:15:40,221 INFO L225 Difference]: With dead ends: 1164 [2024-11-17 07:15:40,221 INFO L226 Difference]: Without dead ends: 668 [2024-11-17 07:15:40,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 21.8s TimeCoverageRelationStatistics Valid=707, Invalid=1640, Unknown=5, NotChecked=0, Total=2352 [2024-11-17 07:15:40,223 INFO L432 NwaCegarLoop]: 447 mSDtfsCounter, 17 mSDsluCounter, 5275 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 5722 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 07:15:40,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 5722 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 07:15:40,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-11-17 07:15:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 652. [2024-11-17 07:15:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 635 states have (on average 1.3574803149606298) internal successors, (862), 641 states have internal predecessors, (862), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 07:15:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 876 transitions. [2024-11-17 07:15:40,254 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 876 transitions. Word has length 126 [2024-11-17 07:15:40,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 07:15:40,254 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 876 transitions. [2024-11-17 07:15:40,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.733333333333333) internal successors, (142), 29 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 07:15:40,254 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 876 transitions. [2024-11-17 07:15:40,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-17 07:15:40,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 07:15:40,256 INFO L215 NwaCegarLoop]: trace histogram [27, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 07:15:40,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-17 07:15:40,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-17 07:15:40,457 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 07:15:40,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 07:15:40,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1542719346, now seen corresponding path program 3 times [2024-11-17 07:15:40,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 07:15:40,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921141968] [2024-11-17 07:15:40,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 07:15:40,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 07:15:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:41,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-17 07:15:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:41,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-17 07:15:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 07:15:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 237 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-17 07:15:41,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 07:15:41,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921141968] [2024-11-17 07:15:41,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921141968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 07:15:41,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153729558] [2024-11-17 07:15:41,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 07:15:41,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 07:15:41,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 07:15:41,646 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 07:15:41,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process