./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.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 da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:21:02,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:21:02,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:21:02,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:21:02,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:21:02,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:21:02,441 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:21:02,441 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:21:02,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:21:02,443 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:21:02,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:21:02,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:21:02,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:21:02,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:21:02,446 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:21:02,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:21:02,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:21:02,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:21:02,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:21:02,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:21:02,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:21:02,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:21:02,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:21:02,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:21:02,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:21:02,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:21:02,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:21:02,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:21:02,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:21:02,453 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:21:02,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:21:02,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:21:02,454 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:21:02,454 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:21:02,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:21:02,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:21:02,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:21:02,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:21:02,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:21:02,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:21:02,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:21:02,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:21:02,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:21:02,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:21:02,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da01f7e29b47732481465e941f69a1c8f9dd5529ae81cb8448eb7568570e2356 [2024-10-13 16:21:02,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:21:02,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:21:02,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:21:02,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:21:02,726 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:21:02,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2024-10-13 16:21:04,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:21:04,387 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:21:04,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-2.i [2024-10-13 16:21:04,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad36db148/2a29c2773f4f490d9b385ce87e42c905/FLAG0aac7bf23 [2024-10-13 16:21:04,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad36db148/2a29c2773f4f490d9b385ce87e42c905 [2024-10-13 16:21:04,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:21:04,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:21:04,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:21:04,688 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:21:04,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:21:04,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:21:04" (1/1) ... [2024-10-13 16:21:04,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e8ed2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:04, skipping insertion in model container [2024-10-13 16:21:04,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:21:04" (1/1) ... [2024-10-13 16:21:04,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:21:05,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:21:05,318 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:21:05,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:21:05,459 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:21:05,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05 WrapperNode [2024-10-13 16:21:05,460 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:21:05,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:21:05,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:21:05,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:21:05,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,576 INFO L138 Inliner]: procedures = 208, calls = 280, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1476 [2024-10-13 16:21:05,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:21:05,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:21:05,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:21:05,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:21:05,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,609 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,665 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 220, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4]. [2024-10-13 16:21:05,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,750 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:21:05,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:21:05,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:21:05,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:21:05,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (1/1) ... [2024-10-13 16:21:05,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:21:05,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:05,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 16:21:05,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 16:21:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-13 16:21:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-13 16:21:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-13 16:21:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-13 16:21:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-13 16:21:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-13 16:21:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-13 16:21:05,863 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-13 16:21:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 16:21:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 16:21:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 16:21:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 16:21:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 16:21:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:21:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:21:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 16:21:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 16:21:05,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 16:21:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:21:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:21:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 16:21:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 16:21:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:21:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 16:21:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 16:21:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 16:21:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:21:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:21:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 16:21:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:21:05,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:21:06,120 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:21:06,122 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:21:07,479 INFO L? ?]: Removed 340 outVars from TransFormulas that were not future-live. [2024-10-13 16:21:07,479 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:21:07,553 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:21:07,553 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-13 16:21:07,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:21:07 BoogieIcfgContainer [2024-10-13 16:21:07,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:21:07,557 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:21:07,557 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:21:07,560 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:21:07,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:21:04" (1/3) ... [2024-10-13 16:21:07,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb50c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:21:07, skipping insertion in model container [2024-10-13 16:21:07,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:21:05" (2/3) ... [2024-10-13 16:21:07,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fb50c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:21:07, skipping insertion in model container [2024-10-13 16:21:07,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:21:07" (3/3) ... [2024-10-13 16:21:07,562 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-2.i [2024-10-13 16:21:07,577 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:21:07,577 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:21:07,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:21:07,674 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;@70d56ec0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:21:07,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 16:21:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 427 states, 405 states have (on average 1.637037037037037) internal successors, (663), 420 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 16:21:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:21:07,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:07,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:21:07,691 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:07,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:07,697 INFO L85 PathProgramCache]: Analyzing trace with hash 257958415, now seen corresponding path program 1 times [2024-10-13 16:21:07,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:07,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931571379] [2024-10-13 16:21:07,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:07,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:21:07,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:07,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931571379] [2024-10-13 16:21:07,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931571379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:07,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:07,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:21:07,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849708836] [2024-10-13 16:21:07,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:07,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 16:21:07,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:07,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 16:21:07,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:21:07,914 INFO L87 Difference]: Start difference. First operand has 427 states, 405 states have (on average 1.637037037037037) internal successors, (663), 420 states have internal predecessors, (663), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:07,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:07,993 INFO L93 Difference]: Finished difference Result 851 states and 1369 transitions. [2024-10-13 16:21:07,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 16:21:07,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:21:07,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:08,008 INFO L225 Difference]: With dead ends: 851 [2024-10-13 16:21:08,010 INFO L226 Difference]: Without dead ends: 386 [2024-10-13 16:21:08,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 16:21:08,021 INFO L432 NwaCegarLoop]: 606 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:08,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:21:08,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-13 16:21:08,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2024-10-13 16:21:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 368 states have (on average 1.4728260869565217) internal successors, (542), 380 states have internal predecessors, (542), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:21:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 558 transitions. [2024-10-13 16:21:08,087 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 558 transitions. Word has length 6 [2024-10-13 16:21:08,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:08,088 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 558 transitions. [2024-10-13 16:21:08,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:08,088 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 558 transitions. [2024-10-13 16:21:08,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 16:21:08,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:08,089 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 16:21:08,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:21:08,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:08,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:08,090 INFO L85 PathProgramCache]: Analyzing trace with hash 257960337, now seen corresponding path program 1 times [2024-10-13 16:21:08,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:08,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426581504] [2024-10-13 16:21:08,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:08,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 16:21:08,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429777908] [2024-10-13 16:21:08,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:08,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:08,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:08,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:21:08,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 16:21:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:08,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 16:21:08,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:21:08,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:21:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:21:08,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:21:08,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426581504] [2024-10-13 16:21:08,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 16:21:08,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429777908] [2024-10-13 16:21:08,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429777908] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:08,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:08,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:21:08,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976139079] [2024-10-13 16:21:08,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:08,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:21:08,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:08,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:21:08,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:21:08,397 INFO L87 Difference]: Start difference. First operand 386 states and 558 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:08,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:08,551 INFO L93 Difference]: Finished difference Result 764 states and 1109 transitions. [2024-10-13 16:21:08,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:21:08,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 16:21:08,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:08,556 INFO L225 Difference]: With dead ends: 764 [2024-10-13 16:21:08,556 INFO L226 Difference]: Without dead ends: 762 [2024-10-13 16:21:08,557 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 [2024-10-13 16:21:08,558 INFO L432 NwaCegarLoop]: 534 mSDtfsCounter, 528 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1592 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:08,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1592 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:21:08,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2024-10-13 16:21:08,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 392. [2024-10-13 16:21:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 374 states have (on average 1.467914438502674) internal successors, (549), 386 states have internal predecessors, (549), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:21:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 565 transitions. [2024-10-13 16:21:08,580 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 565 transitions. Word has length 6 [2024-10-13 16:21:08,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:08,581 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 565 transitions. [2024-10-13 16:21:08,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:08,581 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 565 transitions. [2024-10-13 16:21:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-13 16:21:08,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:08,584 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] [2024-10-13 16:21:08,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 16:21:08,788 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 [2024-10-13 16:21:08,789 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:08,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:08,790 INFO L85 PathProgramCache]: Analyzing trace with hash 269515738, now seen corresponding path program 1 times [2024-10-13 16:21:08,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:08,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170293776] [2024-10-13 16:21:08,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:08,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:21:09,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:09,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170293776] [2024-10-13 16:21:09,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170293776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:09,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:09,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:21:09,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063043779] [2024-10-13 16:21:09,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:09,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:21:09,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:09,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:21:09,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:21:09,191 INFO L87 Difference]: Start difference. First operand 392 states and 565 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:09,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:09,316 INFO L93 Difference]: Finished difference Result 940 states and 1369 transitions. [2024-10-13 16:21:09,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:21:09,317 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 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 63 [2024-10-13 16:21:09,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:09,322 INFO L225 Difference]: With dead ends: 940 [2024-10-13 16:21:09,322 INFO L226 Difference]: Without dead ends: 761 [2024-10-13 16:21:09,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:21:09,324 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 529 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1595 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:09,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1595 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:21:09,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-10-13 16:21:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 392. [2024-10-13 16:21:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 374 states have (on average 1.46524064171123) internal successors, (548), 386 states have internal predecessors, (548), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:21:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 564 transitions. [2024-10-13 16:21:09,344 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 564 transitions. Word has length 63 [2024-10-13 16:21:09,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:09,345 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 564 transitions. [2024-10-13 16:21:09,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 564 transitions. [2024-10-13 16:21:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:21:09,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:09,347 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] [2024-10-13 16:21:09,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:21:09,348 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:09,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:09,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1931221523, now seen corresponding path program 1 times [2024-10-13 16:21:09,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:09,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538914152] [2024-10-13 16:21:09,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:09,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:21:09,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:09,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538914152] [2024-10-13 16:21:09,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538914152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:09,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:09,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 16:21:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693205306] [2024-10-13 16:21:09,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:09,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:21:09,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:09,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:21:09,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:21:09,658 INFO L87 Difference]: Start difference. First operand 392 states and 564 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:09,743 INFO L93 Difference]: Finished difference Result 780 states and 1124 transitions. [2024-10-13 16:21:09,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:21:09,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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 80 [2024-10-13 16:21:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:09,745 INFO L225 Difference]: With dead ends: 780 [2024-10-13 16:21:09,745 INFO L226 Difference]: Without dead ends: 395 [2024-10-13 16:21:09,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:21:09,747 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 93 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:09,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1490 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:21:09,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-13 16:21:09,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 392. [2024-10-13 16:21:09,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 374 states have (on average 1.446524064171123) internal successors, (541), 386 states have internal predecessors, (541), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:21:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 557 transitions. [2024-10-13 16:21:09,766 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 557 transitions. Word has length 80 [2024-10-13 16:21:09,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:09,766 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 557 transitions. [2024-10-13 16:21:09,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 557 transitions. [2024-10-13 16:21:09,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:21:09,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:09,772 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] [2024-10-13 16:21:09,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:21:09,772 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:09,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:09,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1362081823, now seen corresponding path program 1 times [2024-10-13 16:21:09,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:09,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044778571] [2024-10-13 16:21:09,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:09,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:21:09,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:09,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044778571] [2024-10-13 16:21:09,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044778571] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:09,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:09,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:21:09,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355307507] [2024-10-13 16:21:09,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:09,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:21:09,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:09,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:21:09,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:21:09,923 INFO L87 Difference]: Start difference. First operand 392 states and 557 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:09,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:09,975 INFO L93 Difference]: Finished difference Result 783 states and 1116 transitions. [2024-10-13 16:21:09,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:21:09,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 80 [2024-10-13 16:21:09,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:09,977 INFO L225 Difference]: With dead ends: 783 [2024-10-13 16:21:09,978 INFO L226 Difference]: Without dead ends: 398 [2024-10-13 16:21:09,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:21:09,979 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 1 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:09,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1063 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 16:21:09,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-13 16:21:10,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-10-13 16:21:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 380 states have (on average 1.4394736842105262) internal successors, (547), 392 states have internal predecessors, (547), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 16:21:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 563 transitions. [2024-10-13 16:21:10,004 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 563 transitions. Word has length 80 [2024-10-13 16:21:10,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:10,005 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 563 transitions. [2024-10-13 16:21:10,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 563 transitions. [2024-10-13 16:21:10,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-13 16:21:10,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:10,010 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] [2024-10-13 16:21:10,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:21:10,010 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:10,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:10,011 INFO L85 PathProgramCache]: Analyzing trace with hash -881001565, now seen corresponding path program 1 times [2024-10-13 16:21:10,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:10,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461170873] [2024-10-13 16:21:10,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:10,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:21:10,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:10,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461170873] [2024-10-13 16:21:10,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461170873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:10,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:10,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:21:10,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495099941] [2024-10-13 16:21:10,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:10,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:21:10,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:10,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:21:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:21:10,203 INFO L87 Difference]: Start difference. First operand 398 states and 563 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:10,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:10,293 INFO L93 Difference]: Finished difference Result 1075 states and 1542 transitions. [2024-10-13 16:21:10,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:21:10,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 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 80 [2024-10-13 16:21:10,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:10,296 INFO L225 Difference]: With dead ends: 1075 [2024-10-13 16:21:10,297 INFO L226 Difference]: Without dead ends: 684 [2024-10-13 16:21:10,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:21:10,298 INFO L432 NwaCegarLoop]: 741 mSDtfsCounter, 352 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 1276 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:10,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 1276 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 16:21:10,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-10-13 16:21:10,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 680. [2024-10-13 16:21:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 657 states have (on average 1.4581430745814308) internal successors, (958), 674 states have internal predecessors, (958), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 16:21:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 984 transitions. [2024-10-13 16:21:10,318 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 984 transitions. Word has length 80 [2024-10-13 16:21:10,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:10,319 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 984 transitions. [2024-10-13 16:21:10,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:21:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 984 transitions. [2024-10-13 16:21:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-13 16:21:10,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:10,321 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:10,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 16:21:10,321 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:10,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:10,322 INFO L85 PathProgramCache]: Analyzing trace with hash -469966914, now seen corresponding path program 1 times [2024-10-13 16:21:10,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:10,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078679781] [2024-10-13 16:21:10,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:10,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:10,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:21:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:10,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:21:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:21:10,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:10,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078679781] [2024-10-13 16:21:10,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078679781] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:10,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:21:10,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:21:10,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632412023] [2024-10-13 16:21:10,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:10,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:21:10,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:10,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:21:10,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:21:10,679 INFO L87 Difference]: Start difference. First operand 680 states and 984 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:21:11,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:11,020 INFO L93 Difference]: Finished difference Result 942 states and 1371 transitions. [2024-10-13 16:21:11,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:21:11,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 93 [2024-10-13 16:21:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:11,025 INFO L225 Difference]: With dead ends: 942 [2024-10-13 16:21:11,025 INFO L226 Difference]: Without dead ends: 940 [2024-10-13 16:21:11,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:21:11,026 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 441 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:11,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 2010 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 16:21:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2024-10-13 16:21:11,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 744. [2024-10-13 16:21:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 718 states have (on average 1.4428969359331476) internal successors, (1036), 735 states have internal predecessors, (1036), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:21:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1068 transitions. [2024-10-13 16:21:11,045 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1068 transitions. Word has length 93 [2024-10-13 16:21:11,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:11,045 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 1068 transitions. [2024-10-13 16:21:11,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:21:11,046 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1068 transitions. [2024-10-13 16:21:11,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 16:21:11,047 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:11,047 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-13 16:21:11,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 16:21:11,047 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:11,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:11,048 INFO L85 PathProgramCache]: Analyzing trace with hash 859170141, now seen corresponding path program 1 times [2024-10-13 16:21:11,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:11,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934153836] [2024-10-13 16:21:11,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:11,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-13 16:21:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 16:21:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:21:11,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:11,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934153836] [2024-10-13 16:21:11,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934153836] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:21:11,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218512113] [2024-10-13 16:21:11,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:11,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:11,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:11,530 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:21:11,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 16:21:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:11,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-13 16:21:11,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:21:11,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:21:11,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-13 16:21:11,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-13 16:21:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 16:21:12,714 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 16:21:12,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218512113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:21:12,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 16:21:12,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-13 16:21:12,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112960250] [2024-10-13 16:21:12,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:21:12,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 16:21:12,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:21:12,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 16:21:12,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-13 16:21:12,717 INFO L87 Difference]: Start difference. First operand 744 states and 1068 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:21:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 16:21:15,064 INFO L93 Difference]: Finished difference Result 1626 states and 2346 transitions. [2024-10-13 16:21:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 16:21:15,064 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 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 [2024-10-13 16:21:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 16:21:15,069 INFO L225 Difference]: With dead ends: 1626 [2024-10-13 16:21:15,069 INFO L226 Difference]: Without dead ends: 975 [2024-10-13 16:21:15,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-13 16:21:15,071 INFO L432 NwaCegarLoop]: 557 mSDtfsCounter, 786 mSDsluCounter, 2972 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 16:21:15,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 3529 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 16:21:15,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2024-10-13 16:21:15,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 776. [2024-10-13 16:21:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 750 states have (on average 1.4306666666666668) internal successors, (1073), 767 states have internal predecessors, (1073), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-13 16:21:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1105 transitions. [2024-10-13 16:21:15,100 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1105 transitions. Word has length 99 [2024-10-13 16:21:15,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 16:21:15,100 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1105 transitions. [2024-10-13 16:21:15,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 16:21:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1105 transitions. [2024-10-13 16:21:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 16:21:15,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 16:21:15,102 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:21:15,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 16:21:15,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-13 16:21:15,307 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-13 16:21:15,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:21:15,307 INFO L85 PathProgramCache]: Analyzing trace with hash -126343640, now seen corresponding path program 1 times [2024-10-13 16:21:15,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:21:15,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831223840] [2024-10-13 16:21:15,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:15,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:21:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 16:21:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:15,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 16:21:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:15,689 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 16:21:15,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:21:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831223840] [2024-10-13 16:21:15,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831223840] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 16:21:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708930452] [2024-10-13 16:21:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:21:15,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 16:21:15,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:21:15,691 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 16:21:15,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 16:21:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:21:16,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-13 16:21:16,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 16:21:37,756 WARN L286 SmtUtils]: Spent 8.72s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 16:22:28,461 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-13 16:22:38,702 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)