./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU --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 64bit --witnessprinter.graph.data.programhash 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:38,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:38,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:13:38,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:38,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:38,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:38,866 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:38,866 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:38,867 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:38,869 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:38,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:38,872 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:38,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:38,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:38,873 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:38,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:38,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:38,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:38,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:38,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:38,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:38,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:38,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:38,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:13:38,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:13:38,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:38,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:38,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:38,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:38,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:38,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:38,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:38,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:38,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:38,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:38,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:38,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:38,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:38,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:38,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:38,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:38,892 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f [2024-10-31 22:13:39,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:39,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:39,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:39,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:39,282 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:39,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i Unable to find full path for "g++" [2024-10-31 22:13:41,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:41,949 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:41,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2024-10-31 22:13:41,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/data/d2d45960b/1383f05287894e17a08b95ceaa382553/FLAG297229e78 [2024-10-31 22:13:42,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/data/d2d45960b/1383f05287894e17a08b95ceaa382553 [2024-10-31 22:13:42,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:42,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:42,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:42,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:42,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:42,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f38860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42, skipping insertion in model container [2024-10-31 22:13:42,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:42,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:42,852 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:42,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:42,925 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:42,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42 WrapperNode [2024-10-31 22:13:42,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:42,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:42,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:42,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:42,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,966 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 141 [2024-10-31 22:13:42,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:42,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:42,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:42,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:42,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,996 INFO L175 MemorySlicer]: Split 20 memory accesses to 4 slices as follows [2, 9, 7, 2]. 45 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 6 writes are split as follows [1, 2, 2, 1]. [2024-10-31 22:13:42,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:42,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:43,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:43,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:43,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:43,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:43,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:43,012 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:43,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:43,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:43,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (1/1) ... [2024-10-31 22:13:43,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:43,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:43,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:43,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:13:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:13:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:13:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:13:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:13:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:13:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:13:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:13:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:13:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:13:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:43,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:43,216 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:43,219 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:43,474 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:43,474 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:43,494 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:43,498 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:43,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:43 BoogieIcfgContainer [2024-10-31 22:13:43,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:43,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:43,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:43,526 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:43,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:42" (1/3) ... [2024-10-31 22:13:43,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcc59c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:43, skipping insertion in model container [2024-10-31 22:13:43,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:42" (2/3) ... [2024-10-31 22:13:43,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dcc59c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:43, skipping insertion in model container [2024-10-31 22:13:43,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:43" (3/3) ... [2024-10-31 22:13:43,533 INFO L112 eAbstractionObserver]: Analyzing ICFG a.06-alloca.i [2024-10-31 22:13:43,552 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:43,552 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-10-31 22:13:43,605 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:43,610 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;@25a6ca24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:43,611 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-10-31 22:13:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 39 states have internal predecessors, (47), 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) [2024-10-31 22:13:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 22:13:43,621 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:43,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 22:13:43,622 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:43,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:43,627 INFO L85 PathProgramCache]: Analyzing trace with hash 28695781, now seen corresponding path program 1 times [2024-10-31 22:13:43,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:43,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373032117] [2024-10-31 22:13:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:43,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:44,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:44,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373032117] [2024-10-31 22:13:44,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373032117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:44,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:44,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:13:44,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627777175] [2024-10-31 22:13:44,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:44,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:44,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:44,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:44,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:44,269 INFO L87 Difference]: Start difference. First operand has 40 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 39 states have internal predecessors, (47), 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) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-10-31 22:13:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:44,356 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2024-10-31 22:13:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:44,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2024-10-31 22:13:44,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:44,368 INFO L225 Difference]: With dead ends: 45 [2024-10-31 22:13:44,368 INFO L226 Difference]: Without dead ends: 34 [2024-10-31 22:13:44,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:44,374 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 39 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:44,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 68 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:44,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-31 22:13:44,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-31 22:13:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.6) internal successors, (40), 33 states have internal predecessors, (40), 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) [2024-10-31 22:13:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-10-31 22:13:44,406 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 5 [2024-10-31 22:13:44,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:44,406 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-10-31 22:13:44,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-10-31 22:13:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-10-31 22:13:44,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:13:44,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:44,408 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:13:44,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:13:44,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:44,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:44,409 INFO L85 PathProgramCache]: Analyzing trace with hash 889569255, now seen corresponding path program 1 times [2024-10-31 22:13:44,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:44,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676804402] [2024-10-31 22:13:44,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:44,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:44,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:44,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676804402] [2024-10-31 22:13:44,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676804402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:44,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:44,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:13:44,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661208802] [2024-10-31 22:13:44,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:44,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:44,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:44,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:44,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:44,648 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-10-31 22:13:44,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:44,723 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2024-10-31 22:13:44,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:44,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2024-10-31 22:13:44,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:44,726 INFO L225 Difference]: With dead ends: 35 [2024-10-31 22:13:44,727 INFO L226 Difference]: Without dead ends: 34 [2024-10-31 22:13:44,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:44,730 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:44,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 92 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:44,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-31 22:13:44,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2024-10-31 22:13:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.56) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-10-31 22:13:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2024-10-31 22:13:44,740 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 6 [2024-10-31 22:13:44,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:44,741 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-10-31 22:13:44,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2024-10-31 22:13:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2024-10-31 22:13:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:13:44,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:44,742 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:44,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:13:44,743 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:44,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:44,744 INFO L85 PathProgramCache]: Analyzing trace with hash 183292466, now seen corresponding path program 1 times [2024-10-31 22:13:44,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:44,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311544558] [2024-10-31 22:13:44,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:44,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:44,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:44,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311544558] [2024-10-31 22:13:44,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311544558] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:44,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:44,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:13:44,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246176504] [2024-10-31 22:13:44,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:44,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:44,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:44,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:44,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:44,970 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:45,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:45,044 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2024-10-31 22:13:45,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:45,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 22:13:45,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:45,046 INFO L225 Difference]: With dead ends: 33 [2024-10-31 22:13:45,046 INFO L226 Difference]: Without dead ends: 32 [2024-10-31 22:13:45,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:45,048 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 32 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:45,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 54 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:45,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-10-31 22:13:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-10-31 22:13:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 25 states have (on average 1.52) internal successors, (38), 31 states have internal predecessors, (38), 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) [2024-10-31 22:13:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-10-31 22:13:45,058 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 8 [2024-10-31 22:13:45,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:45,059 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-10-31 22:13:45,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-10-31 22:13:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:13:45,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:45,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:45,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:13:45,060 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:45,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:45,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1387049590, now seen corresponding path program 1 times [2024-10-31 22:13:45,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:45,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126150576] [2024-10-31 22:13:45,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:45,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:45,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:45,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126150576] [2024-10-31 22:13:45,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126150576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:45,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:45,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:13:45,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194541509] [2024-10-31 22:13:45,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:45,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:45,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:45,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:45,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:45,146 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:45,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:45,187 INFO L93 Difference]: Finished difference Result 64 states and 77 transitions. [2024-10-31 22:13:45,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:45,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 22:13:45,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:45,188 INFO L225 Difference]: With dead ends: 64 [2024-10-31 22:13:45,188 INFO L226 Difference]: Without dead ends: 34 [2024-10-31 22:13:45,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:45,193 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:45,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:45,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-10-31 22:13:45,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-10-31 22:13:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 33 states have internal predecessors, (40), 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) [2024-10-31 22:13:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2024-10-31 22:13:45,201 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 40 transitions. Word has length 9 [2024-10-31 22:13:45,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:45,202 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 40 transitions. [2024-10-31 22:13:45,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2024-10-31 22:13:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:13:45,203 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:45,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:45,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:13:45,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:45,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1387099210, now seen corresponding path program 1 times [2024-10-31 22:13:45,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:45,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741766310] [2024-10-31 22:13:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:45,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:45,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:45,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741766310] [2024-10-31 22:13:45,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741766310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:45,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:45,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:13:45,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434624152] [2024-10-31 22:13:45,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:45,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:45,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:45,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:45,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:45,375 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:45,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:45,458 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-10-31 22:13:45,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:45,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 22:13:45,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:45,459 INFO L225 Difference]: With dead ends: 62 [2024-10-31 22:13:45,459 INFO L226 Difference]: Without dead ends: 61 [2024-10-31 22:13:45,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:45,461 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:45,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 83 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:13:45,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-10-31 22:13:45,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2024-10-31 22:13:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 44 states have internal predecessors, (54), 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) [2024-10-31 22:13:45,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2024-10-31 22:13:45,475 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 9 [2024-10-31 22:13:45,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:45,475 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2024-10-31 22:13:45,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2024-10-31 22:13:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 22:13:45,476 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:45,476 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:45,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:13:45,477 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:45,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:45,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1568206898, now seen corresponding path program 1 times [2024-10-31 22:13:45,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:45,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367378108] [2024-10-31 22:13:45,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:45,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:45,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:45,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367378108] [2024-10-31 22:13:45,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367378108] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:45,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:45,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:13:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515188615] [2024-10-31 22:13:45,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:45,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:13:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:45,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:13:45,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:45,576 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-10-31 22:13:45,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:45,630 INFO L93 Difference]: Finished difference Result 81 states and 97 transitions. [2024-10-31 22:13:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:13:45,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2024-10-31 22:13:45,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:45,632 INFO L225 Difference]: With dead ends: 81 [2024-10-31 22:13:45,632 INFO L226 Difference]: Without dead ends: 49 [2024-10-31 22:13:45,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:45,633 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:45,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 121 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:45,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-31 22:13:45,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2024-10-31 22:13:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 47 states have internal predecessors, (57), 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) [2024-10-31 22:13:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2024-10-31 22:13:45,641 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 11 [2024-10-31 22:13:45,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:45,642 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2024-10-31 22:13:45,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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) [2024-10-31 22:13:45,642 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2024-10-31 22:13:45,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-31 22:13:45,643 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:45,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:45,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:13:45,645 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:45,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:45,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1599754246, now seen corresponding path program 1 times [2024-10-31 22:13:45,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:45,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332866618] [2024-10-31 22:13:45,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:45,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:45,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:45,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332866618] [2024-10-31 22:13:45,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332866618] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:45,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:45,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:13:45,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979598136] [2024-10-31 22:13:45,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:45,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:13:45,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:45,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:13:45,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:13:45,881 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-10-31 22:13:46,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:46,049 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2024-10-31 22:13:46,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:13:46,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2024-10-31 22:13:46,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:46,051 INFO L225 Difference]: With dead ends: 93 [2024-10-31 22:13:46,051 INFO L226 Difference]: Without dead ends: 92 [2024-10-31 22:13:46,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:13:46,052 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 82 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:46,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 129 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:13:46,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-10-31 22:13:46,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 55. [2024-10-31 22:13:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 48 states have (on average 1.375) internal successors, (66), 54 states have internal predecessors, (66), 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) [2024-10-31 22:13:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2024-10-31 22:13:46,063 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 11 [2024-10-31 22:13:46,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:46,063 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2024-10-31 22:13:46,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-10-31 22:13:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2024-10-31 22:13:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-31 22:13:46,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:46,066 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:46,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:13:46,067 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:46,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1947225999, now seen corresponding path program 1 times [2024-10-31 22:13:46,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:46,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264034981] [2024-10-31 22:13:46,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:46,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:46,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:46,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264034981] [2024-10-31 22:13:46,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264034981] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:46,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:46,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:13:46,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931342105] [2024-10-31 22:13:46,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:46,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:13:46,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:46,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:13:46,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:46,452 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) [2024-10-31 22:13:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:46,586 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2024-10-31 22:13:46,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:13:46,587 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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 12 [2024-10-31 22:13:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:46,589 INFO L225 Difference]: With dead ends: 73 [2024-10-31 22:13:46,590 INFO L226 Difference]: Without dead ends: 72 [2024-10-31 22:13:46,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:13:46,592 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 30 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:46,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 148 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:13:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-31 22:13:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2024-10-31 22:13:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 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) [2024-10-31 22:13:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2024-10-31 22:13:46,605 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 12 [2024-10-31 22:13:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:46,606 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2024-10-31 22:13:46,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) [2024-10-31 22:13:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-10-31 22:13:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:13:46,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:46,607 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:46,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:13:46,607 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:46,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:46,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1694214290, now seen corresponding path program 1 times [2024-10-31 22:13:46,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:46,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935590258] [2024-10-31 22:13:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:46,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:46,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:46,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935590258] [2024-10-31 22:13:46,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935590258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:46,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:46,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:13:46,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325450542] [2024-10-31 22:13:46,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:46,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:13:46,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:46,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:13:46,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:46,930 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-31 22:13:47,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:47,176 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2024-10-31 22:13:47,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:13:47,177 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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 13 [2024-10-31 22:13:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:47,178 INFO L225 Difference]: With dead ends: 69 [2024-10-31 22:13:47,178 INFO L226 Difference]: Without dead ends: 68 [2024-10-31 22:13:47,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:13:47,179 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 22 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:47,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 141 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:13:47,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-31 22:13:47,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 55. [2024-10-31 22:13:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 48 states have (on average 1.375) internal successors, (66), 54 states have internal predecessors, (66), 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) [2024-10-31 22:13:47,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2024-10-31 22:13:47,188 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 13 [2024-10-31 22:13:47,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:47,189 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2024-10-31 22:13:47,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-10-31 22:13:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2024-10-31 22:13:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:13:47,194 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:47,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:47,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:13:47,194 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:47,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:47,195 INFO L85 PathProgramCache]: Analyzing trace with hash -981035365, now seen corresponding path program 1 times [2024-10-31 22:13:47,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097838708] [2024-10-31 22:13:47,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:47,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:47,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:47,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097838708] [2024-10-31 22:13:47,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097838708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:47,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:47,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:13:47,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957477959] [2024-10-31 22:13:47,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:47,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:13:47,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:47,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:13:47,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:47,460 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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) [2024-10-31 22:13:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:47,583 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2024-10-31 22:13:47,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:13:47,584 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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 14 [2024-10-31 22:13:47,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:47,586 INFO L225 Difference]: With dead ends: 80 [2024-10-31 22:13:47,588 INFO L226 Difference]: Without dead ends: 79 [2024-10-31 22:13:47,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:13:47,590 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 89 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:47,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 86 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:13:47,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-31 22:13:47,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 62. [2024-10-31 22:13:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 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) [2024-10-31 22:13:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2024-10-31 22:13:47,598 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 76 transitions. Word has length 14 [2024-10-31 22:13:47,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:47,599 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 76 transitions. [2024-10-31 22:13:47,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 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) [2024-10-31 22:13:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-10-31 22:13:47,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-31 22:13:47,603 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:47,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:47,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:13:47,604 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:47,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:47,604 INFO L85 PathProgramCache]: Analyzing trace with hash 2048962627, now seen corresponding path program 1 times [2024-10-31 22:13:47,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:47,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822927716] [2024-10-31 22:13:47,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:47,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:47,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:47,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822927716] [2024-10-31 22:13:47,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822927716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:47,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:47,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:13:47,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473840059] [2024-10-31 22:13:47,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:47,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:47,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:47,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:47,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:47,652 INFO L87 Difference]: Start difference. First operand 62 states and 76 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-31 22:13:47,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:47,676 INFO L93 Difference]: Finished difference Result 111 states and 136 transitions. [2024-10-31 22:13:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:47,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-10-31 22:13:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:47,677 INFO L225 Difference]: With dead ends: 111 [2024-10-31 22:13:47,677 INFO L226 Difference]: Without dead ends: 65 [2024-10-31 22:13:47,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:47,680 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:47,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 96 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:47,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-10-31 22:13:47,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2024-10-31 22:13:47,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 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) [2024-10-31 22:13:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 78 transitions. [2024-10-31 22:13:47,690 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 78 transitions. Word has length 16 [2024-10-31 22:13:47,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:47,690 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 78 transitions. [2024-10-31 22:13:47,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-31 22:13:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2024-10-31 22:13:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-31 22:13:47,691 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:47,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:47,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:13:47,692 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:47,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2050809669, now seen corresponding path program 1 times [2024-10-31 22:13:47,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:47,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814929737] [2024-10-31 22:13:47,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:47,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:47,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:47,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814929737] [2024-10-31 22:13:47,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814929737] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:47,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:47,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:13:47,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241534464] [2024-10-31 22:13:47,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:47,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:47,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:47,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:47,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:47,761 INFO L87 Difference]: Start difference. First operand 64 states and 78 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-31 22:13:47,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:47,784 INFO L93 Difference]: Finished difference Result 115 states and 140 transitions. [2024-10-31 22:13:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:47,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16 [2024-10-31 22:13:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:47,788 INFO L225 Difference]: With dead ends: 115 [2024-10-31 22:13:47,788 INFO L226 Difference]: Without dead ends: 59 [2024-10-31 22:13:47,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:47,790 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:47,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 100 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-10-31 22:13:47,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-10-31 22:13:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 58 states have internal predecessors, (64), 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) [2024-10-31 22:13:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2024-10-31 22:13:47,799 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 16 [2024-10-31 22:13:47,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:47,801 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2024-10-31 22:13:47,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-10-31 22:13:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2024-10-31 22:13:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-31 22:13:47,802 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:47,802 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:47,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:13:47,803 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:47,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:47,803 INFO L85 PathProgramCache]: Analyzing trace with hash 233008023, now seen corresponding path program 1 times [2024-10-31 22:13:47,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:47,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955875427] [2024-10-31 22:13:47,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:47,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:47,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:47,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955875427] [2024-10-31 22:13:47,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955875427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:47,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:47,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:13:47,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671502396] [2024-10-31 22:13:47,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:47,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:13:47,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:47,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:13:47,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:47,968 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-31 22:13:48,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:48,026 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2024-10-31 22:13:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:13:48,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 16 [2024-10-31 22:13:48,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:48,027 INFO L225 Difference]: With dead ends: 107 [2024-10-31 22:13:48,028 INFO L226 Difference]: Without dead ends: 60 [2024-10-31 22:13:48,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:13:48,028 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:48,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 85 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:48,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-10-31 22:13:48,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 47. [2024-10-31 22:13:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 46 states have internal predecessors, (49), 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) [2024-10-31 22:13:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2024-10-31 22:13:48,039 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 16 [2024-10-31 22:13:48,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:48,039 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2024-10-31 22:13:48,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-10-31 22:13:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2024-10-31 22:13:48,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-31 22:13:48,040 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:48,040 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:48,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:13:48,041 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:48,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:48,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1223174679, now seen corresponding path program 1 times [2024-10-31 22:13:48,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:48,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894765117] [2024-10-31 22:13:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:48,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:48,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:48,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894765117] [2024-10-31 22:13:48,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894765117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:48,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:48,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:13:48,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295642389] [2024-10-31 22:13:48,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:48,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:48,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:48,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:48,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:48,154 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-31 22:13:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:48,190 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2024-10-31 22:13:48,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:48,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 18 [2024-10-31 22:13:48,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:48,191 INFO L225 Difference]: With dead ends: 47 [2024-10-31 22:13:48,191 INFO L226 Difference]: Without dead ends: 46 [2024-10-31 22:13:48,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:48,192 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:48,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 44 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:48,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-31 22:13:48,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-10-31 22:13:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.170731707317073) internal successors, (48), 45 states have internal predecessors, (48), 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) [2024-10-31 22:13:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2024-10-31 22:13:48,196 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 18 [2024-10-31 22:13:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:48,196 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2024-10-31 22:13:48,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-10-31 22:13:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2024-10-31 22:13:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-31 22:13:48,197 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:48,197 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:48,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:13:48,198 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:48,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:48,198 INFO L85 PathProgramCache]: Analyzing trace with hash -736290516, now seen corresponding path program 1 times [2024-10-31 22:13:48,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:48,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441639587] [2024-10-31 22:13:48,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:48,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:48,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:48,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441639587] [2024-10-31 22:13:48,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441639587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:48,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:48,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:13:48,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976321126] [2024-10-31 22:13:48,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:48,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:13:48,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:48,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:13:48,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:13:48,371 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2024-10-31 22:13:48,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:48,422 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2024-10-31 22:13:48,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:13:48,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2024-10-31 22:13:48,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:48,424 INFO L225 Difference]: With dead ends: 46 [2024-10-31 22:13:48,424 INFO L226 Difference]: Without dead ends: 45 [2024-10-31 22:13:48,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:48,425 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:48,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 107 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:48,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-10-31 22:13:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-10-31 22:13:48,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 41 states have (on average 1.146341463414634) internal successors, (47), 44 states have internal predecessors, (47), 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) [2024-10-31 22:13:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2024-10-31 22:13:48,428 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 19 [2024-10-31 22:13:48,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:48,428 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2024-10-31 22:13:48,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2024-10-31 22:13:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2024-10-31 22:13:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-10-31 22:13:48,429 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:48,429 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] [2024-10-31 22:13:48,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:13:48,429 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:48,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:48,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1350169415, now seen corresponding path program 1 times [2024-10-31 22:13:48,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:48,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736056553] [2024-10-31 22:13:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:48,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:48,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:48,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736056553] [2024-10-31 22:13:48,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736056553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:48,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:48,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:13:48,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045102938] [2024-10-31 22:13:48,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:48,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:48,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:48,538 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-31 22:13:48,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:48,575 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2024-10-31 22:13:48,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:13:48,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2024-10-31 22:13:48,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:48,576 INFO L225 Difference]: With dead ends: 45 [2024-10-31 22:13:48,576 INFO L226 Difference]: Without dead ends: 44 [2024-10-31 22:13:48,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:48,577 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:48,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 44 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:48,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-10-31 22:13:48,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-10-31 22:13:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 43 states have internal predecessors, (46), 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) [2024-10-31 22:13:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2024-10-31 22:13:48,581 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 20 [2024-10-31 22:13:48,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:48,581 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2024-10-31 22:13:48,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-31 22:13:48,581 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2024-10-31 22:13:48,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:13:48,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:48,582 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] [2024-10-31 22:13:48,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:13:48,582 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:48,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:48,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1094421198, now seen corresponding path program 1 times [2024-10-31 22:13:48,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:48,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126308964] [2024-10-31 22:13:48,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:48,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:49,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:49,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126308964] [2024-10-31 22:13:49,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126308964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:49,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:49,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:13:49,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324061778] [2024-10-31 22:13:49,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:49,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:13:49,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:49,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:13:49,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:13:49,171 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 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) [2024-10-31 22:13:49,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:49,421 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2024-10-31 22:13:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:13:49,421 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 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 21 [2024-10-31 22:13:49,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:49,422 INFO L225 Difference]: With dead ends: 58 [2024-10-31 22:13:49,422 INFO L226 Difference]: Without dead ends: 57 [2024-10-31 22:13:49,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:13:49,423 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 58 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:49,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 105 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:13:49,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-10-31 22:13:49,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-10-31 22:13:49,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 56 states have internal predecessors, (59), 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) [2024-10-31 22:13:49,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2024-10-31 22:13:49,429 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 21 [2024-10-31 22:13:49,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:49,429 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2024-10-31 22:13:49,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 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) [2024-10-31 22:13:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2024-10-31 22:13:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:13:49,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:49,431 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] [2024-10-31 22:13:49,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:13:49,432 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:49,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:49,432 INFO L85 PathProgramCache]: Analyzing trace with hash 106328386, now seen corresponding path program 1 times [2024-10-31 22:13:49,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:49,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619712516] [2024-10-31 22:13:49,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:49,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:49,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619712516] [2024-10-31 22:13:49,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619712516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:49,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:49,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:13:49,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255521296] [2024-10-31 22:13:49,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:49,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:13:49,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:49,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:13:49,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:49,601 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-10-31 22:13:49,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:49,632 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2024-10-31 22:13:49,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:13:49,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 23 [2024-10-31 22:13:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:49,634 INFO L225 Difference]: With dead ends: 57 [2024-10-31 22:13:49,634 INFO L226 Difference]: Without dead ends: 56 [2024-10-31 22:13:49,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:13:49,635 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:49,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 67 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:49,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-31 22:13:49,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2024-10-31 22:13:49,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 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) [2024-10-31 22:13:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2024-10-31 22:13:49,638 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 23 [2024-10-31 22:13:49,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:49,639 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2024-10-31 22:13:49,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-10-31 22:13:49,639 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2024-10-31 22:13:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 22:13:49,641 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:49,641 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] [2024-10-31 22:13:49,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:13:49,642 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:49,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash -431347778, now seen corresponding path program 1 times [2024-10-31 22:13:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:49,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022737442] [2024-10-31 22:13:49,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:49,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:49,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:49,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022737442] [2024-10-31 22:13:49,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022737442] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:49,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:49,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:13:49,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314166286] [2024-10-31 22:13:49,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:49,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:13:49,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:49,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:13:49,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:13:49,783 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-10-31 22:13:49,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:49,840 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2024-10-31 22:13:49,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:13:49,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2024-10-31 22:13:49,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:49,841 INFO L225 Difference]: With dead ends: 43 [2024-10-31 22:13:49,842 INFO L226 Difference]: Without dead ends: 42 [2024-10-31 22:13:49,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:49,843 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 19 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:49,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 50 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:49,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-10-31 22:13:49,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2024-10-31 22:13:49,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 36 states have internal predecessors, (39), 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) [2024-10-31 22:13:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2024-10-31 22:13:49,847 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 28 [2024-10-31 22:13:49,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:49,848 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2024-10-31 22:13:49,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-10-31 22:13:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2024-10-31 22:13:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:13:49,849 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:49,849 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:49,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:13:49,849 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:49,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:49,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1075620242, now seen corresponding path program 1 times [2024-10-31 22:13:49,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:49,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913908811] [2024-10-31 22:13:49,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:49,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:50,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:50,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913908811] [2024-10-31 22:13:50,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913908811] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:13:50,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903393284] [2024-10-31 22:13:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:50,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:50,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:50,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:13:50,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:13:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:50,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-31 22:13:50,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:50,777 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 36 treesize of output 13 [2024-10-31 22:13:50,851 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 [2024-10-31 22:13:50,947 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 17 treesize of output 9 [2024-10-31 22:13:50,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-31 22:13:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:50,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:13:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:51,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903393284] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:13:51,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:13:51,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2024-10-31 22:13:51,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299623578] [2024-10-31 22:13:51,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:13:51,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-31 22:13:51,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:51,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-31 22:13:51,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-10-31 22:13:51,237 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 22 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 22 states have internal predecessors, (82), 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) [2024-10-31 22:13:52,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:52,027 INFO L93 Difference]: Finished difference Result 134 states and 139 transitions. [2024-10-31 22:13:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-31 22:13:52,028 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 22 states have internal predecessors, (82), 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 30 [2024-10-31 22:13:52,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:52,028 INFO L225 Difference]: With dead ends: 134 [2024-10-31 22:13:52,029 INFO L226 Difference]: Without dead ends: 52 [2024-10-31 22:13:52,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=295, Invalid=1037, Unknown=0, NotChecked=0, Total=1332 [2024-10-31 22:13:52,031 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 148 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:52,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 322 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:13:52,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-10-31 22:13:52,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 33. [2024-10-31 22:13:52,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 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) [2024-10-31 22:13:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2024-10-31 22:13:52,035 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2024-10-31 22:13:52,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:52,035 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2024-10-31 22:13:52,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 22 states have internal predecessors, (82), 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) [2024-10-31 22:13:52,035 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2024-10-31 22:13:52,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-31 22:13:52,036 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:52,036 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-31 22:13:52,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:13:52,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:52,240 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-10-31 22:13:52,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:52,241 INFO L85 PathProgramCache]: Analyzing trace with hash -990743942, now seen corresponding path program 1 times [2024-10-31 22:13:52,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:52,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106826266] [2024-10-31 22:13:52,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:52,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:52,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:52,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106826266] [2024-10-31 22:13:52,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106826266] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:13:52,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421848022] [2024-10-31 22:13:52,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:52,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:13:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:52,880 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:13:52,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:13:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:53,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 22:13:53,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:13:53,053 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 17 treesize of output 9 [2024-10-31 22:13:53,214 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 38 treesize of output 15 [2024-10-31 22:13:53,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-31 22:13:53,347 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 17 treesize of output 9 [2024-10-31 22:13:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:53,376 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:13:53,492 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 22 treesize of output 14 [2024-10-31 22:13:53,753 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 24 treesize of output 16 [2024-10-31 22:13:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:53,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421848022] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:13:53,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:13:53,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2024-10-31 22:13:53,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449949635] [2024-10-31 22:13:53,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:13:53,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-10-31 22:13:53,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:53,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-10-31 22:13:53,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=782, Unknown=0, NotChecked=0, Total=930 [2024-10-31 22:13:53,828 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 31 states, 30 states have (on average 2.566666666666667) internal successors, (77), 31 states have internal predecessors, (77), 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) [2024-10-31 22:13:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:54,550 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2024-10-31 22:13:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-31 22:13:54,551 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 2.566666666666667) internal successors, (77), 31 states have internal predecessors, (77), 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 32 [2024-10-31 22:13:54,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:54,552 INFO L225 Difference]: With dead ends: 52 [2024-10-31 22:13:54,552 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 22:13:54,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=445, Invalid=1717, Unknown=0, NotChecked=0, Total=2162 [2024-10-31 22:13:54,554 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 70 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:54,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 195 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:13:54,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 22:13:54,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 22:13:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-10-31 22:13:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:13:54,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2024-10-31 22:13:54,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:54,557 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:13:54,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 2.566666666666667) internal successors, (77), 31 states have internal predecessors, (77), 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) [2024-10-31 22:13:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:13:54,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 22:13:54,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-10-31 22:13:54,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-10-31 22:13:54,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-10-31 22:13:54,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-10-31 22:13:54,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-10-31 22:13:54,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-10-31 22:13:54,562 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-10-31 22:13:54,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-10-31 22:13:54,563 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-10-31 22:13:54,564 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-10-31 22:13:54,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:13:54,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-31 22:13:54,769 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:54,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 22:13:54,886 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:13:54,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-31 22:13:54,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-31 22:13:54,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~z_ref~0!base,]]] [2024-10-31 22:13:54,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-10-31 22:13:54,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-10-31 22:13:54,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-10-31 22:13:54,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#2 [2024-10-31 22:13:54,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] [2024-10-31 22:13:54,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~z_ref~0!base,]]] [2024-10-31 22:13:54,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 22:13:54,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 22:13:54,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-10-31 22:13:54,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-10-31 22:13:54,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-10-31 22:13:54,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-10-31 22:13:54,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:13:54 BoogieIcfgContainer [2024-10-31 22:13:54,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:13:54,928 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:13:54,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:13:54,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:13:54,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:43" (3/4) ... [2024-10-31 22:13:54,940 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:13:54,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-31 22:13:54,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 22:13:54,964 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-31 22:13:54,967 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:13:55,103 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:13:55,104 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:13:55,104 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:13:55,104 INFO L158 Benchmark]: Toolchain (without parser) took 12844.67ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 98.1MB in the beginning and 153.6MB in the end (delta: -55.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-10-31 22:13:55,105 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:13:55,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.91ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 79.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:13:55,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 130.0MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:55,109 INFO L158 Benchmark]: Boogie Preprocessor took 43.59ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:13:55,110 INFO L158 Benchmark]: RCFGBuilder took 487.27ms. Allocated memory is still 130.0MB. Free memory was 75.1MB in the beginning and 99.7MB in the end (delta: -24.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-10-31 22:13:55,110 INFO L158 Benchmark]: TraceAbstraction took 11407.10ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 101.5MB in the beginning and 159.9MB in the end (delta: -58.4MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-10-31 22:13:55,110 INFO L158 Benchmark]: Witness Printer took 175.73ms. Allocated memory is still 232.8MB. Free memory was 159.9MB in the beginning and 153.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:13:55,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.91ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 79.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 130.0MB. Free memory was 79.5MB in the beginning and 77.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.59ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 487.27ms. Allocated memory is still 130.0MB. Free memory was 75.1MB in the beginning and 99.7MB in the end (delta: -24.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11407.10ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 101.5MB in the beginning and 159.9MB in the end (delta: -58.4MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * Witness Printer took 175.73ms. Allocated memory is still 232.8MB. Free memory was 159.9MB in the beginning and 153.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~z_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#2 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#2,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#2,GLOBAL],[IdentifierExpression[~z_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 21, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 670 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 670 mSDsluCounter, 2234 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1629 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1549 IncrementalHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 605 mSDtfsCounter, 1549 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 124 SyntacticMatches, 2 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=11, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 146 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 3288 SizeOfPredicates, 19 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 25/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-10-31 22:13:55,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4a039ad-6f23-4414-94e5-2a71c17608a5/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE