./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_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:34:06,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:34:06,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:34:06,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:34:06,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:34:06,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:34:06,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:34:06,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:34:06,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:34:06,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:34:06,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:34:06,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:34:06,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:34:06,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:34:06,751 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:34:06,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:34:06,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:34:06,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:34:06,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:34:06,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:34:06,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:34:06,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:34:06,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:34:06,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:34:06,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:34:06,757 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:34:06,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:34:06,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:34:06,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:34:06,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:34:06,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:34:06,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:34:06,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:34:06,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:34:06,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:34:06,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:34:06,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:34:06,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:34:06,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:34:06,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:34:06,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:34:06,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:34:06,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:34:06,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:34:06,761 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2024-10-11 23:34:06,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:34:06,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:34:06,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:34:06,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:34:06,997 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:34:06,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-10-11 23:34:08,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:34:08,529 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:34:08,530 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-10-11 23:34:08,546 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/41dee7096/102f1e87e2a4452d8e178c32aaa81e52/FLAG6467cacbb [2024-10-11 23:34:08,560 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/41dee7096/102f1e87e2a4452d8e178c32aaa81e52 [2024-10-11 23:34:08,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:34:08,563 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:34:08,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:34:08,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:34:08,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:34:08,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:34:08" (1/1) ... [2024-10-11 23:34:08,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5f5ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:08, skipping insertion in model container [2024-10-11 23:34:08,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:34:08" (1/1) ... [2024-10-11 23:34:08,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:34:09,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:34:09,113 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:34:09,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:34:09,282 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:34:09,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09 WrapperNode [2024-10-11 23:34:09,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:34:09,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:34:09,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:34:09,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:34:09,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,422 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2046 [2024-10-11 23:34:09,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:34:09,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:34:09,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:34:09,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:34:09,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,541 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 24, 323]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 1, 82]. [2024-10-11 23:34:09,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:34:09,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:34:09,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:34:09,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:34:09,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (1/1) ... [2024-10-11 23:34:09,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:34:09,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:09,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:34:09,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:34:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:34:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:34:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:34:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:34:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:34:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:34:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:34:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:34:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:34:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:34:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:34:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:34:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 23:34:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:34:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:34:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 23:34:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:34:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:34:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:34:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:34:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:34:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:34:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:34:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:34:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:34:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:34:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:34:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:34:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:34:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:34:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:34:09,934 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:34:09,935 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:34:11,380 INFO L? ?]: Removed 492 outVars from TransFormulas that were not future-live. [2024-10-11 23:34:11,380 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:34:11,414 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:34:11,414 INFO L314 CfgBuilder]: Removed 83 assume(true) statements. [2024-10-11 23:34:11,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:34:11 BoogieIcfgContainer [2024-10-11 23:34:11,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:34:11,416 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:34:11,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:34:11,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:34:11,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:34:08" (1/3) ... [2024-10-11 23:34:11,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c5b33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:34:11, skipping insertion in model container [2024-10-11 23:34:11,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:34:09" (2/3) ... [2024-10-11 23:34:11,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c5b33a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:34:11, skipping insertion in model container [2024-10-11 23:34:11,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:34:11" (3/3) ... [2024-10-11 23:34:11,421 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2024-10-11 23:34:11,433 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:34:11,433 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-11 23:34:11,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:34:11,509 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;@7a85a75e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:34:11,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-11 23:34:11,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 584 states, 557 states have (on average 1.6355475763016158) internal successors, (911), 574 states have internal predecessors, (911), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 23:34:11,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 23:34:11,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:11,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 23:34:11,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:11,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2117758982, now seen corresponding path program 1 times [2024-10-11 23:34:11,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:11,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312990262] [2024-10-11 23:34:11,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:34:11,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:11,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312990262] [2024-10-11 23:34:11,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312990262] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:11,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:11,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:11,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867110552] [2024-10-11 23:34:11,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:11,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:34:11,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:11,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:34:11,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:34:11,676 INFO L87 Difference]: Start difference. First operand has 584 states, 557 states have (on average 1.6355475763016158) internal successors, (911), 574 states have internal predecessors, (911), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:11,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:11,731 INFO L93 Difference]: Finished difference Result 1163 states and 1877 transitions. [2024-10-11 23:34:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:34:11,733 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 23:34:11,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:11,749 INFO L225 Difference]: With dead ends: 1163 [2024-10-11 23:34:11,749 INFO L226 Difference]: Without dead ends: 575 [2024-10-11 23:34:11,761 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 [2024-10-11 23:34:11,763 INFO L432 NwaCegarLoop]: 836 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:11,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 836 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-10-11 23:34:11,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2024-10-11 23:34:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 554 states have (on average 1.4657039711191335) internal successors, (812), 566 states have internal predecessors, (812), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-11 23:34:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 834 transitions. [2024-10-11 23:34:11,817 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 834 transitions. Word has length 5 [2024-10-11 23:34:11,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:11,818 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 834 transitions. [2024-10-11 23:34:11,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 834 transitions. [2024-10-11 23:34:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:34:11,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:11,819 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:34:11,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:34:11,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:11,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:11,820 INFO L85 PathProgramCache]: Analyzing trace with hash -126937715, now seen corresponding path program 1 times [2024-10-11 23:34:11,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:11,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214011317] [2024-10-11 23:34:11,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:11,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:34:11,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:11,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214011317] [2024-10-11 23:34:11,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214011317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:11,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:11,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:11,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389259418] [2024-10-11 23:34:11,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:11,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:34:11,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:11,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:34:11,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:34:11,870 INFO L87 Difference]: Start difference. First operand 575 states and 834 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:11,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:11,961 INFO L93 Difference]: Finished difference Result 1313 states and 1920 transitions. [2024-10-11 23:34:11,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:34:11,962 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:34:11,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:11,966 INFO L225 Difference]: With dead ends: 1313 [2024-10-11 23:34:11,967 INFO L226 Difference]: Without dead ends: 1133 [2024-10-11 23:34:11,968 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 [2024-10-11 23:34:11,969 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 793 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1686 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:11,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1686 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:11,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-11 23:34:11,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 746. [2024-10-11 23:34:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 720 states have (on average 1.475) internal successors, (1062), 737 states have internal predecessors, (1062), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:34:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1094 transitions. [2024-10-11 23:34:12,000 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1094 transitions. Word has length 6 [2024-10-11 23:34:12,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:12,001 INFO L471 AbstractCegarLoop]: Abstraction has 746 states and 1094 transitions. [2024-10-11 23:34:12,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1094 transitions. [2024-10-11 23:34:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:34:12,002 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:12,002 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:34:12,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:34:12,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:12,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash -170041271, now seen corresponding path program 1 times [2024-10-11 23:34:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:12,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577701063] [2024-10-11 23:34:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:34:12,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1305166240] [2024-10-11 23:34:12,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:12,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:12,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:12,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:34:12,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:34:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:12,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 23:34:12,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:12,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:34:12,183 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:12,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:12,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577701063] [2024-10-11 23:34:12,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:34:12,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305166240] [2024-10-11 23:34:12,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305166240] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:12,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:12,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 23:34:12,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015864035] [2024-10-11 23:34:12,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:12,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:34:12,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:12,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:34:12,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:34:12,186 INFO L87 Difference]: Start difference. First operand 746 states and 1094 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:12,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:12,243 INFO L93 Difference]: Finished difference Result 1136 states and 1654 transitions. [2024-10-11 23:34:12,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:34:12,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:34:12,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:12,248 INFO L225 Difference]: With dead ends: 1136 [2024-10-11 23:34:12,248 INFO L226 Difference]: Without dead ends: 1133 [2024-10-11 23:34:12,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:34:12,249 INFO L432 NwaCegarLoop]: 916 mSDtfsCounter, 789 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:12,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 1731 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:12,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-10-11 23:34:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 750. [2024-10-11 23:34:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 724 states have (on average 1.4696132596685083) internal successors, (1064), 741 states have internal predecessors, (1064), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:34:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1096 transitions. [2024-10-11 23:34:12,270 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1096 transitions. Word has length 6 [2024-10-11 23:34:12,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:12,270 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1096 transitions. [2024-10-11 23:34:12,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1096 transitions. [2024-10-11 23:34:12,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:34:12,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:12,276 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:12,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 23:34:12,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:12,478 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:12,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash 932700123, now seen corresponding path program 1 times [2024-10-11 23:34:12,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:12,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467729114] [2024-10-11 23:34:12,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:12,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:34:13,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:13,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467729114] [2024-10-11 23:34:13,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467729114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:13,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:13,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:34:13,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895350351] [2024-10-11 23:34:13,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:13,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:34:13,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:13,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:34:13,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:13,030 INFO L87 Difference]: Start difference. First operand 750 states and 1096 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:13,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:13,106 INFO L93 Difference]: Finished difference Result 1452 states and 2120 transitions. [2024-10-11 23:34:13,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:34:13,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-11 23:34:13,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:13,109 INFO L225 Difference]: With dead ends: 1452 [2024-10-11 23:34:13,109 INFO L226 Difference]: Without dead ends: 708 [2024-10-11 23:34:13,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:13,117 INFO L432 NwaCegarLoop]: 726 mSDtfsCounter, 41 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 2166 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:13,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 2166 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:13,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2024-10-11 23:34:13,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2024-10-11 23:34:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 682 states have (on average 1.4472140762463344) internal successors, (987), 699 states have internal predecessors, (987), 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) [2024-10-11 23:34:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 1019 transitions. [2024-10-11 23:34:13,132 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 1019 transitions. Word has length 150 [2024-10-11 23:34:13,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:13,133 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 1019 transitions. [2024-10-11 23:34:13,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1019 transitions. [2024-10-11 23:34:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:34:13,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:13,135 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:13,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:34:13,135 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:13,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:13,136 INFO L85 PathProgramCache]: Analyzing trace with hash 905046381, now seen corresponding path program 1 times [2024-10-11 23:34:13,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:13,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450797586] [2024-10-11 23:34:13,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:13,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:34:13,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:13,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450797586] [2024-10-11 23:34:13,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450797586] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:13,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:13,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:34:13,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691811667] [2024-10-11 23:34:13,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:13,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:13,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:13,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:13,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:13,325 INFO L87 Difference]: Start difference. First operand 708 states and 1019 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:13,383 INFO L93 Difference]: Finished difference Result 1404 states and 2026 transitions. [2024-10-11 23:34:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:34:13,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-11 23:34:13,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:13,386 INFO L225 Difference]: With dead ends: 1404 [2024-10-11 23:34:13,386 INFO L226 Difference]: Without dead ends: 702 [2024-10-11 23:34:13,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:13,389 INFO L432 NwaCegarLoop]: 728 mSDtfsCounter, 9 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:13,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2167 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:13,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-10-11 23:34:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2024-10-11 23:34:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 676 states have (on average 1.4452662721893492) internal successors, (977), 693 states have internal predecessors, (977), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:34:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1009 transitions. [2024-10-11 23:34:13,408 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1009 transitions. Word has length 150 [2024-10-11 23:34:13,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:13,409 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1009 transitions. [2024-10-11 23:34:13,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1009 transitions. [2024-10-11 23:34:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:34:13,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:13,413 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:13,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:34:13,413 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:13,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:13,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1543934565, now seen corresponding path program 1 times [2024-10-11 23:34:13,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:13,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35121592] [2024-10-11 23:34:13,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:13,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:34:13,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:13,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35121592] [2024-10-11 23:34:13,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35121592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:13,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:13,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:34:13,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128278717] [2024-10-11 23:34:13,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:13,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:34:13,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:13,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:34:13,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:34:13,588 INFO L87 Difference]: Start difference. First operand 702 states and 1009 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:13,630 INFO L93 Difference]: Finished difference Result 1477 states and 2119 transitions. [2024-10-11 23:34:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:34:13,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-11 23:34:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:13,634 INFO L225 Difference]: With dead ends: 1477 [2024-10-11 23:34:13,634 INFO L226 Difference]: Without dead ends: 781 [2024-10-11 23:34:13,635 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 [2024-10-11 23:34:13,636 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 54 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:13,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1480 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2024-10-11 23:34:13,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2024-10-11 23:34:13,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 755 states have (on average 1.4344370860927151) internal successors, (1083), 772 states have internal predecessors, (1083), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:34:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1115 transitions. [2024-10-11 23:34:13,654 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1115 transitions. Word has length 150 [2024-10-11 23:34:13,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:13,655 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1115 transitions. [2024-10-11 23:34:13,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:34:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1115 transitions. [2024-10-11 23:34:13,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:34:13,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:13,658 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:13,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:34:13,658 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:13,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:13,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1534581301, now seen corresponding path program 1 times [2024-10-11 23:34:13,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:13,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754312890] [2024-10-11 23:34:13,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:13,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:13,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:34:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:13,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:34:13,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:13,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754312890] [2024-10-11 23:34:13,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754312890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:13,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:13,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:34:13,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776391052] [2024-10-11 23:34:13,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:13,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:34:13,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:13,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:34:13,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:13,882 INFO L87 Difference]: Start difference. First operand 781 states and 1115 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:34:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:14,191 INFO L93 Difference]: Finished difference Result 1482 states and 2129 transitions. [2024-10-11 23:34:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:34:14,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2024-10-11 23:34:14,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:14,194 INFO L225 Difference]: With dead ends: 1482 [2024-10-11 23:34:14,194 INFO L226 Difference]: Without dead ends: 786 [2024-10-11 23:34:14,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:34:14,195 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 110 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 2639 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:14,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 2639 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-10-11 23:34:14,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 781. [2024-10-11 23:34:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 755 states have (on average 1.4251655629139073) internal successors, (1076), 772 states have internal predecessors, (1076), 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) [2024-10-11 23:34:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1108 transitions. [2024-10-11 23:34:14,208 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1108 transitions. Word has length 163 [2024-10-11 23:34:14,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:14,209 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1108 transitions. [2024-10-11 23:34:14,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:34:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1108 transitions. [2024-10-11 23:34:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:34:14,210 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:14,210 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:14,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:34:14,210 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:14,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:14,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1182913239, now seen corresponding path program 1 times [2024-10-11 23:34:14,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:14,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004960414] [2024-10-11 23:34:14,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:14,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:14,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:34:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:34:14,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:14,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004960414] [2024-10-11 23:34:14,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004960414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:14,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:14,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:34:14,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024390834] [2024-10-11 23:34:14,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:14,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:14,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:14,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:14,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:14,380 INFO L87 Difference]: Start difference. First operand 781 states and 1108 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:34:14,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:14,685 INFO L93 Difference]: Finished difference Result 1485 states and 2121 transitions. [2024-10-11 23:34:14,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:14,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2024-10-11 23:34:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:14,689 INFO L225 Difference]: With dead ends: 1485 [2024-10-11 23:34:14,689 INFO L226 Difference]: Without dead ends: 789 [2024-10-11 23:34:14,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:14,691 INFO L432 NwaCegarLoop]: 727 mSDtfsCounter, 6 mSDsluCounter, 1322 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2049 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:14,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2049 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:14,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-10-11 23:34:14,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 787. [2024-10-11 23:34:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 761 states have (on average 1.4218134034165573) internal successors, (1082), 778 states have internal predecessors, (1082), 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) [2024-10-11 23:34:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1114 transitions. [2024-10-11 23:34:14,703 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1114 transitions. Word has length 163 [2024-10-11 23:34:14,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:14,703 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1114 transitions. [2024-10-11 23:34:14,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:34:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1114 transitions. [2024-10-11 23:34:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:34:14,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:14,705 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:14,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:34:14,705 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:14,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:14,706 INFO L85 PathProgramCache]: Analyzing trace with hash -701832981, now seen corresponding path program 1 times [2024-10-11 23:34:14,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:14,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068568057] [2024-10-11 23:34:14,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:14,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:34:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:34:14,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:14,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068568057] [2024-10-11 23:34:14,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068568057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:14,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:14,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:34:14,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048018638] [2024-10-11 23:34:14,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:14,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:14,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:14,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:14,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:14,941 INFO L87 Difference]: Start difference. First operand 787 states and 1114 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:34:15,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:15,262 INFO L93 Difference]: Finished difference Result 1858 states and 2663 transitions. [2024-10-11 23:34:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:15,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2024-10-11 23:34:15,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:15,267 INFO L225 Difference]: With dead ends: 1858 [2024-10-11 23:34:15,267 INFO L226 Difference]: Without dead ends: 1156 [2024-10-11 23:34:15,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:34:15,269 INFO L432 NwaCegarLoop]: 929 mSDtfsCounter, 463 mSDsluCounter, 1534 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:15,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2463 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:15,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-10-11 23:34:15,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1149. [2024-10-11 23:34:15,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1110 states have (on average 1.4324324324324325) internal successors, (1590), 1137 states have internal predecessors, (1590), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-11 23:34:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1648 transitions. [2024-10-11 23:34:15,297 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1648 transitions. Word has length 163 [2024-10-11 23:34:15,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:15,298 INFO L471 AbstractCegarLoop]: Abstraction has 1149 states and 1648 transitions. [2024-10-11 23:34:15,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:34:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1648 transitions. [2024-10-11 23:34:15,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 23:34:15,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:15,300 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:15,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:34:15,300 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:15,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:15,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1420690825, now seen corresponding path program 1 times [2024-10-11 23:34:15,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:15,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115199623] [2024-10-11 23:34:15,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:15,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:15,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:15,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:34:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:15,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:34:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:15,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:34:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:15,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:15,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115199623] [2024-10-11 23:34:15,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115199623] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:15,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:15,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:34:15,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086091586] [2024-10-11 23:34:15,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:15,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:34:15,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:15,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:34:15,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:15,528 INFO L87 Difference]: Start difference. First operand 1149 states and 1648 transitions. Second operand has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:15,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:15,863 INFO L93 Difference]: Finished difference Result 1151 states and 1659 transitions. [2024-10-11 23:34:15,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:34:15,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 176 [2024-10-11 23:34:15,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:15,868 INFO L225 Difference]: With dead ends: 1151 [2024-10-11 23:34:15,868 INFO L226 Difference]: Without dead ends: 1149 [2024-10-11 23:34:15,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:15,869 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 548 mSDsluCounter, 1328 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 2042 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:15,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 2042 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:15,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-10-11 23:34:15,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 1147. [2024-10-11 23:34:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1110 states have (on average 1.4297297297297298) internal successors, (1587), 1135 states have internal predecessors, (1587), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 13 states have call predecessors, (29), 29 states have call successors, (29) [2024-10-11 23:34:15,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1645 transitions. [2024-10-11 23:34:15,892 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1645 transitions. Word has length 176 [2024-10-11 23:34:15,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:15,892 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1645 transitions. [2024-10-11 23:34:15,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:15,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1645 transitions. [2024-10-11 23:34:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 23:34:15,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:15,894 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:15,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 23:34:15,894 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:15,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:15,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1091744147, now seen corresponding path program 1 times [2024-10-11 23:34:15,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:15,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985246236] [2024-10-11 23:34:15,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:16,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:16,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:34:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:16,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:34:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:16,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:34:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:16,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:16,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985246236] [2024-10-11 23:34:16,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985246236] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:16,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:16,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:34:16,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884843503] [2024-10-11 23:34:16,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:16,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:34:16,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:16,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:34:16,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:16,121 INFO L87 Difference]: Start difference. First operand 1147 states and 1645 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:16,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:16,455 INFO L93 Difference]: Finished difference Result 1216 states and 1744 transitions. [2024-10-11 23:34:16,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:34:16,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-11 23:34:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:16,460 INFO L225 Difference]: With dead ends: 1216 [2024-10-11 23:34:16,460 INFO L226 Difference]: Without dead ends: 1215 [2024-10-11 23:34:16,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:34:16,461 INFO L432 NwaCegarLoop]: 722 mSDtfsCounter, 541 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:16,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2756 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:16,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-10-11 23:34:16,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1211. [2024-10-11 23:34:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1171 states have (on average 1.4218616567036721) internal successors, (1665), 1196 states have internal predecessors, (1665), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1729 transitions. [2024-10-11 23:34:16,485 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1729 transitions. Word has length 177 [2024-10-11 23:34:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:16,485 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1729 transitions. [2024-10-11 23:34:16,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1729 transitions. [2024-10-11 23:34:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 23:34:16,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:16,487 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:16,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 23:34:16,487 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:16,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:16,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1562865128, now seen corresponding path program 1 times [2024-10-11 23:34:16,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:16,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523638363] [2024-10-11 23:34:16,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:16,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:17,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:34:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:17,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:34:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:17,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:34:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:17,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:34:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:34:17,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:17,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523638363] [2024-10-11 23:34:17,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523638363] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:17,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297840835] [2024-10-11 23:34:17,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:17,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:17,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:17,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:34:17,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:34:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:17,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-11 23:34:17,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:17,778 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 [2024-10-11 23:34:17,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-10-11 23:34:18,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 23:34:18,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 58 [2024-10-11 23:34:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:18,474 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:18,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297840835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:18,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:18,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-10-11 23:34:18,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576946476] [2024-10-11 23:34:18,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:18,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 23:34:18,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:18,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 23:34:18,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-11 23:34:18,476 INFO L87 Difference]: Start difference. First operand 1211 states and 1729 transitions. Second operand has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:20,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:20,385 INFO L93 Difference]: Finished difference Result 2386 states and 3417 transitions. [2024-10-11 23:34:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 23:34:20,385 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-10-11 23:34:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:20,389 INFO L225 Difference]: With dead ends: 2386 [2024-10-11 23:34:20,390 INFO L226 Difference]: Without dead ends: 1213 [2024-10-11 23:34:20,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-10-11 23:34:20,393 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 789 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 6299 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:20,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 6299 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 23:34:20,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2024-10-11 23:34:20,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1211. [2024-10-11 23:34:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1171 states have (on average 1.4210076857386849) internal successors, (1664), 1196 states have internal predecessors, (1664), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1728 transitions. [2024-10-11 23:34:20,422 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1728 transitions. Word has length 182 [2024-10-11 23:34:20,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:20,422 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1728 transitions. [2024-10-11 23:34:20,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 11 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:20,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1728 transitions. [2024-10-11 23:34:20,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-11 23:34:20,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:20,424 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:20,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 23:34:20,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:20,625 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:20,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:20,626 INFO L85 PathProgramCache]: Analyzing trace with hash 187502452, now seen corresponding path program 1 times [2024-10-11 23:34:20,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:20,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755795261] [2024-10-11 23:34:20,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:20,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:34:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:34:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 23:34:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 23:34:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:34:21,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:21,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755795261] [2024-10-11 23:34:21,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755795261] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:21,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110277725] [2024-10-11 23:34:21,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:21,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:21,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:34:21,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:34:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:21,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 23:34:21,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:21,994 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:21,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110277725] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:21,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:21,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-11 23:34:21,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433094096] [2024-10-11 23:34:21,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:21,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:21,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:21,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:21,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:34:21,997 INFO L87 Difference]: Start difference. First operand 1211 states and 1728 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:22,099 INFO L93 Difference]: Finished difference Result 2384 states and 3416 transitions. [2024-10-11 23:34:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-11 23:34:22,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:22,102 INFO L225 Difference]: With dead ends: 2384 [2024-10-11 23:34:22,102 INFO L226 Difference]: Without dead ends: 1211 [2024-10-11 23:34:22,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:34:22,104 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 13 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2052 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:22,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2052 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:34:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2024-10-11 23:34:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1211. [2024-10-11 23:34:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1171 states have (on average 1.4192997438087105) internal successors, (1662), 1196 states have internal predecessors, (1662), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1726 transitions. [2024-10-11 23:34:22,127 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1726 transitions. Word has length 183 [2024-10-11 23:34:22,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:22,127 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1726 transitions. [2024-10-11 23:34:22,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1726 transitions. [2024-10-11 23:34:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 23:34:22,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:22,129 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:22,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 23:34:22,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:22,333 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:22,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:22,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2047296141, now seen corresponding path program 1 times [2024-10-11 23:34:22,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:22,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070575598] [2024-10-11 23:34:22,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:22,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:34:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:34:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 23:34:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:34:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:22,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:22,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070575598] [2024-10-11 23:34:22,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070575598] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:22,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:22,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:34:22,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298420199] [2024-10-11 23:34:22,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:22,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:34:22,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:22,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:34:22,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:34:22,703 INFO L87 Difference]: Start difference. First operand 1211 states and 1726 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:23,215 INFO L93 Difference]: Finished difference Result 2389 states and 3432 transitions. [2024-10-11 23:34:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:34:23,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-11 23:34:23,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:23,219 INFO L225 Difference]: With dead ends: 2389 [2024-10-11 23:34:23,219 INFO L226 Difference]: Without dead ends: 1219 [2024-10-11 23:34:23,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:34:23,221 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 9 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3903 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:23,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3903 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:34:23,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-10-11 23:34:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1217. [2024-10-11 23:34:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 1177 states have (on average 1.4171622769753611) internal successors, (1668), 1202 states have internal predecessors, (1668), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1732 transitions. [2024-10-11 23:34:23,244 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1732 transitions. Word has length 184 [2024-10-11 23:34:23,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:23,245 INFO L471 AbstractCegarLoop]: Abstraction has 1217 states and 1732 transitions. [2024-10-11 23:34:23,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:23,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1732 transitions. [2024-10-11 23:34:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 23:34:23,246 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:23,247 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:23,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 23:34:23,247 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:23,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:23,248 INFO L85 PathProgramCache]: Analyzing trace with hash -2134190195, now seen corresponding path program 1 times [2024-10-11 23:34:23,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:23,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704124086] [2024-10-11 23:34:23,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:23,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:34:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:23,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:34:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 23:34:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:23,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:34:23,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:23,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704124086] [2024-10-11 23:34:23,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704124086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:23,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:23,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:34:23,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771237714] [2024-10-11 23:34:23,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:23,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:34:23,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:23,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:34:23,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:34:23,609 INFO L87 Difference]: Start difference. First operand 1217 states and 1732 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:24,201 INFO L93 Difference]: Finished difference Result 2395 states and 3436 transitions. [2024-10-11 23:34:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:34:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-11 23:34:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:24,206 INFO L225 Difference]: With dead ends: 2395 [2024-10-11 23:34:24,207 INFO L226 Difference]: Without dead ends: 1229 [2024-10-11 23:34:24,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:34:24,209 INFO L432 NwaCegarLoop]: 710 mSDtfsCounter, 13 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4525 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:24,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4525 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:34:24,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-10-11 23:34:24,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1225. [2024-10-11 23:34:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 1185 states have (on average 1.4160337552742617) internal successors, (1678), 1210 states have internal predecessors, (1678), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1742 transitions. [2024-10-11 23:34:24,232 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1742 transitions. Word has length 185 [2024-10-11 23:34:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:24,233 INFO L471 AbstractCegarLoop]: Abstraction has 1225 states and 1742 transitions. [2024-10-11 23:34:24,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:34:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1742 transitions. [2024-10-11 23:34:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 23:34:24,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:24,234 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:24,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 23:34:24,235 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:24,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1291420273, now seen corresponding path program 1 times [2024-10-11 23:34:24,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:24,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444176028] [2024-10-11 23:34:24,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:24,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:24,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:34:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:24,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:34:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:24,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 23:34:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:34:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:34:24,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:24,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444176028] [2024-10-11 23:34:24,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444176028] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:24,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175470974] [2024-10-11 23:34:24,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:24,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:24,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:24,808 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:34:24,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:34:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:25,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 23:34:25,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:34:25,804 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:25,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175470974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:25,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:25,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-11 23:34:25,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959317184] [2024-10-11 23:34:25,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:25,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:34:25,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:25,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:34:25,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:34:25,806 INFO L87 Difference]: Start difference. First operand 1225 states and 1742 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:26,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:26,150 INFO L93 Difference]: Finished difference Result 2315 states and 3302 transitions. [2024-10-11 23:34:26,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:34:26,151 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 185 [2024-10-11 23:34:26,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:26,155 INFO L225 Difference]: With dead ends: 2315 [2024-10-11 23:34:26,155 INFO L226 Difference]: Without dead ends: 1329 [2024-10-11 23:34:26,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:34:26,157 INFO L432 NwaCegarLoop]: 714 mSDtfsCounter, 30 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3306 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:26,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3306 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:34:26,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states. [2024-10-11 23:34:26,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1305. [2024-10-11 23:34:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 1265 states have (on average 1.4023715415019762) internal successors, (1774), 1290 states have internal predecessors, (1774), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1838 transitions. [2024-10-11 23:34:26,190 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1838 transitions. Word has length 185 [2024-10-11 23:34:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:26,191 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1838 transitions. [2024-10-11 23:34:26,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1838 transitions. [2024-10-11 23:34:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 23:34:26,193 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:26,193 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:26,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 23:34:26,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 23:34:26,398 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:26,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:26,399 INFO L85 PathProgramCache]: Analyzing trace with hash -55411403, now seen corresponding path program 1 times [2024-10-11 23:34:26,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:26,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306511706] [2024-10-11 23:34:26,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:34:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:34:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 23:34:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 23:34:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:26,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:26,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306511706] [2024-10-11 23:34:26,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306511706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:26,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:26,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:34:26,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989779727] [2024-10-11 23:34:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:26,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:34:26,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:26,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:34:26,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:34:26,935 INFO L87 Difference]: Start difference. First operand 1305 states and 1838 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:28,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:28,294 INFO L93 Difference]: Finished difference Result 2338 states and 3327 transitions. [2024-10-11 23:34:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:34:28,295 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-11 23:34:28,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:28,299 INFO L225 Difference]: With dead ends: 2338 [2024-10-11 23:34:28,299 INFO L226 Difference]: Without dead ends: 1313 [2024-10-11 23:34:28,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 23:34:28,301 INFO L432 NwaCegarLoop]: 720 mSDtfsCounter, 26 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3630 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:28,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3630 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 23:34:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2024-10-11 23:34:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1299. [2024-10-11 23:34:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 1259 states have (on average 1.4011119936457506) internal successors, (1764), 1284 states have internal predecessors, (1764), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1828 transitions. [2024-10-11 23:34:28,322 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1828 transitions. Word has length 186 [2024-10-11 23:34:28,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:28,322 INFO L471 AbstractCegarLoop]: Abstraction has 1299 states and 1828 transitions. [2024-10-11 23:34:28,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 7 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1828 transitions. [2024-10-11 23:34:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-11 23:34:28,323 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:28,324 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:28,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 23:34:28,324 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:28,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:28,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1680815796, now seen corresponding path program 1 times [2024-10-11 23:34:28,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:28,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379999940] [2024-10-11 23:34:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:28,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:34:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:34:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 23:34:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 23:34:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:34:28,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:28,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379999940] [2024-10-11 23:34:28,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379999940] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:28,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:34:28,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:34:28,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114118856] [2024-10-11 23:34:28,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:28,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:34:28,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:28,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:34:28,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:34:28,750 INFO L87 Difference]: Start difference. First operand 1299 states and 1828 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:29,383 INFO L93 Difference]: Finished difference Result 2337 states and 3324 transitions. [2024-10-11 23:34:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:34:29,383 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-11 23:34:29,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:29,388 INFO L225 Difference]: With dead ends: 2337 [2024-10-11 23:34:29,388 INFO L226 Difference]: Without dead ends: 1317 [2024-10-11 23:34:29,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:34:29,389 INFO L432 NwaCegarLoop]: 723 mSDtfsCounter, 21 mSDsluCounter, 2384 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3107 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:29,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3107 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:34:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2024-10-11 23:34:29,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1307. [2024-10-11 23:34:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1267 states have (on average 1.4001578531965273) internal successors, (1774), 1292 states have internal predecessors, (1774), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-11 23:34:29,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1838 transitions. [2024-10-11 23:34:29,410 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1838 transitions. Word has length 187 [2024-10-11 23:34:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:29,410 INFO L471 AbstractCegarLoop]: Abstraction has 1307 states and 1838 transitions. [2024-10-11 23:34:29,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1838 transitions. [2024-10-11 23:34:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 23:34:29,412 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:29,412 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:29,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 23:34:29,412 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:29,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:29,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1679791522, now seen corresponding path program 1 times [2024-10-11 23:34:29,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:29,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050882098] [2024-10-11 23:34:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:34:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:34:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:34:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 23:34:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:34:29,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050882098] [2024-10-11 23:34:29,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050882098] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354965463] [2024-10-11 23:34:29,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:29,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:29,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:34:29,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 23:34:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:30,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:34:30,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-11 23:34:30,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:34:30,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354965463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:34:30,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:34:30,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-11 23:34:30,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114337510] [2024-10-11 23:34:30,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:34:30,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:34:30,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:34:30,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:34:30,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:34:30,528 INFO L87 Difference]: Start difference. First operand 1307 states and 1838 transitions. Second operand has 4 states, 3 states have (on average 58.666666666666664) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:34:30,581 INFO L93 Difference]: Finished difference Result 2521 states and 3568 transitions. [2024-10-11 23:34:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:34:30,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 58.666666666666664) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 188 [2024-10-11 23:34:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:34:30,585 INFO L225 Difference]: With dead ends: 2521 [2024-10-11 23:34:30,586 INFO L226 Difference]: Without dead ends: 1309 [2024-10-11 23:34:30,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:34:30,588 INFO L432 NwaCegarLoop]: 731 mSDtfsCounter, 0 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2186 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:34:30,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2186 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:34:30,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2024-10-11 23:34:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1309. [2024-10-11 23:34:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1268 states have (on average 1.4006309148264984) internal successors, (1776), 1294 states have internal predecessors, (1776), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2024-10-11 23:34:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1844 transitions. [2024-10-11 23:34:30,679 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1844 transitions. Word has length 188 [2024-10-11 23:34:30,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:34:30,680 INFO L471 AbstractCegarLoop]: Abstraction has 1309 states and 1844 transitions. [2024-10-11 23:34:30,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 58.666666666666664) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:34:30,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1844 transitions. [2024-10-11 23:34:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-11 23:34:30,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:34:30,688 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:34:30,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-11 23:34:30,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:30,893 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-11 23:34:30,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:34:30,894 INFO L85 PathProgramCache]: Analyzing trace with hash 832241758, now seen corresponding path program 1 times [2024-10-11 23:34:30,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:34:30,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127951659] [2024-10-11 23:34:30,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:30,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:34:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:31,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:34:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:31,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 23:34:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:31,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:34:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:31,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 23:34:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 23:34:31,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:34:31,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127951659] [2024-10-11 23:34:31,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127951659] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:34:31,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838449155] [2024-10-11 23:34:31,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:34:31,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:34:31,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:34:31,749 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:34:31,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 23:34:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:34:32,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 175 conjuncts are in the unsatisfiable core [2024-10-11 23:34:32,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:34:32,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-11 23:34:32,644 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 15 treesize of output 1 [2024-10-11 23:34:32,661 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-11 23:34:32,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-10-11 23:34:32,669 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 [2024-10-11 23:34:32,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-11 23:34:32,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-11 23:34:32,815 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-11 23:34:32,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-10-11 23:34:32,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-10-11 23:34:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver