./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:39:19,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:39:19,817 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:39:19,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:39:19,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:39:19,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:39:19,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:39:19,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:39:19,843 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:39:19,843 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:39:19,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:39:19,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:39:19,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:39:19,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:39:19,845 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:39:19,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:39:19,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:39:19,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:39:19,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:39:19,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:39:19,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:39:19,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:39:19,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:39:19,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:39:19,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:39:19,850 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:39:19,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:39:19,853 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:39:19,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:39:19,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:39:19,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:39:19,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:39:19,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:39:19,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:39:19,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:39:19,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:39:19,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:39:19,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:39:19,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:39:19,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:39:19,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:39:19,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:39:19,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:39:19,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:39:19,858 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3011b5baaaedb6c621e2913d841379eae3b8a9da7212e43b784fc8c1004eda96 [2024-11-19 13:39:20,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:39:20,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:39:20,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:39:20,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:39:20,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:39:20,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2024-11-19 13:39:21,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:39:21,591 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:39:21,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-2.i [2024-11-19 13:39:21,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eebe632e/6d016750c40e4ddfa6d6a34df177924b/FLAG2648dfe9b [2024-11-19 13:39:21,901 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eebe632e/6d016750c40e4ddfa6d6a34df177924b [2024-11-19 13:39:21,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:39:21,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:39:21,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:39:21,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:39:21,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:39:21,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:39:21" (1/1) ... [2024-11-19 13:39:21,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1800ce82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:21, skipping insertion in model container [2024-11-19 13:39:21,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:39:21" (1/1) ... [2024-11-19 13:39:21,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:39:22,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:39:22,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:39:22,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:39:22,507 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:39:22,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22 WrapperNode [2024-11-19 13:39:22,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:39:22,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:39:22,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:39:22,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:39:22,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,609 INFO L138 Inliner]: procedures = 177, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1595 [2024-11-19 13:39:22,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:39:22,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:39:22,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:39:22,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:39:22,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,703 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 34, 268]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-11-19 13:39:22,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:39:22,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:39:22,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:39:22,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:39:22,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (1/1) ... [2024-11-19 13:39:22,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:39:22,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:22,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:39:22,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:39:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-19 13:39:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-19 13:39:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 13:39:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 13:39:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 13:39:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 13:39:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 13:39:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 13:39:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 13:39:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 13:39:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 13:39:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-19 13:39:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 13:39:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 13:39:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:39:22,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:39:23,062 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:39:23,064 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:39:24,303 INFO L? ?]: Removed 366 outVars from TransFormulas that were not future-live. [2024-11-19 13:39:24,303 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:39:24,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:39:24,321 INFO L316 CfgBuilder]: Removed 71 assume(true) statements. [2024-11-19 13:39:24,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:39:24 BoogieIcfgContainer [2024-11-19 13:39:24,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:39:24,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:39:24,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:39:24,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:39:24,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:39:21" (1/3) ... [2024-11-19 13:39:24,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b61ca63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:39:24, skipping insertion in model container [2024-11-19 13:39:24,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:39:22" (2/3) ... [2024-11-19 13:39:24,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b61ca63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:39:24, skipping insertion in model container [2024-11-19 13:39:24,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:39:24" (3/3) ... [2024-11-19 13:39:24,331 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test8-2.i [2024-11-19 13:39:24,344 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:39:24,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-19 13:39:24,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:39:24,416 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;@521a8fd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:39:24,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-19 13:39:24,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 453 states have (on average 1.6313465783664458) internal successors, (739), 478 states have internal predecessors, (739), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-19 13:39:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 13:39:24,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:24,427 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:24,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:24,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:24,431 INFO L85 PathProgramCache]: Analyzing trace with hash -148890198, now seen corresponding path program 1 times [2024-11-19 13:39:24,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:24,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592590770] [2024-11-19 13:39:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:24,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:39:24,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403502780] [2024-11-19 13:39:24,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:24,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:24,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:24,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:24,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 13:39:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:24,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:39:24,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:24,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:24,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:24,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:24,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592590770] [2024-11-19 13:39:24,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:39:24,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403502780] [2024-11-19 13:39:24,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403502780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:24,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:24,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:24,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11280583] [2024-11-19 13:39:24,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:24,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:24,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:24,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:24,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:24,783 INFO L87 Difference]: Start difference. First operand has 488 states, 453 states have (on average 1.6313465783664458) internal successors, (739), 478 states have internal predecessors, (739), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:24,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:24,972 INFO L93 Difference]: Finished difference Result 1404 states and 2281 transitions. [2024-11-19 13:39:24,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:24,975 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-11-19 13:39:24,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:24,987 INFO L225 Difference]: With dead ends: 1404 [2024-11-19 13:39:24,987 INFO L226 Difference]: Without dead ends: 839 [2024-11-19 13:39:24,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:24,993 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 605 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 2026 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:24,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 2026 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:25,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-19 13:39:25,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 449. [2024-11-19 13:39:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 418 states have (on average 1.4665071770334928) internal successors, (613), 440 states have internal predecessors, (613), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 13:39:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 653 transitions. [2024-11-19 13:39:25,069 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 653 transitions. Word has length 7 [2024-11-19 13:39:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:25,069 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 653 transitions. [2024-11-19 13:39:25,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 653 transitions. [2024-11-19 13:39:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-19 13:39:25,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:25,070 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:25,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 13:39:25,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 13:39:25,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:25,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:25,276 INFO L85 PathProgramCache]: Analyzing trace with hash -320628661, now seen corresponding path program 1 times [2024-11-19 13:39:25,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:25,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542726566] [2024-11-19 13:39:25,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:25,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 13:39:25,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738083281] [2024-11-19 13:39:25,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:25,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:25,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:25,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:25,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 13:39:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:25,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:39:25,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:25,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:25,495 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:25,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:25,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542726566] [2024-11-19 13:39:25,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-19 13:39:25,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738083281] [2024-11-19 13:39:25,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738083281] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:25,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:25,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045432987] [2024-11-19 13:39:25,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:25,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:25,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:25,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:25,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:25,498 INFO L87 Difference]: Start difference. First operand 449 states and 653 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:25,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:25,601 INFO L93 Difference]: Finished difference Result 839 states and 1217 transitions. [2024-11-19 13:39:25,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:25,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-19 13:39:25,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:25,605 INFO L225 Difference]: With dead ends: 839 [2024-11-19 13:39:25,605 INFO L226 Difference]: Without dead ends: 838 [2024-11-19 13:39:25,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:25,606 INFO L432 NwaCegarLoop]: 624 mSDtfsCounter, 553 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:25,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1865 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:25,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-19 13:39:25,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 450. [2024-11-19 13:39:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4653937947494033) internal successors, (614), 441 states have internal predecessors, (614), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 13:39:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 654 transitions. [2024-11-19 13:39:25,624 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 654 transitions. Word has length 8 [2024-11-19 13:39:25,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:25,624 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 654 transitions. [2024-11-19 13:39:25,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 654 transitions. [2024-11-19 13:39:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 13:39:25,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:25,628 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:25,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 13:39:25,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 13:39:25,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:25,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:25,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1563712929, now seen corresponding path program 1 times [2024-11-19 13:39:25,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:25,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931457442] [2024-11-19 13:39:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:25,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:26,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:26,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931457442] [2024-11-19 13:39:26,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931457442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:26,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:26,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:39:26,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476195460] [2024-11-19 13:39:26,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:26,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:26,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:26,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:26,110 INFO L87 Difference]: Start difference. First operand 450 states and 654 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:26,190 INFO L93 Difference]: Finished difference Result 1069 states and 1561 transitions. [2024-11-19 13:39:26,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:26,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-19 13:39:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:26,193 INFO L225 Difference]: With dead ends: 1069 [2024-11-19 13:39:26,193 INFO L226 Difference]: Without dead ends: 837 [2024-11-19 13:39:26,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:26,195 INFO L432 NwaCegarLoop]: 626 mSDtfsCounter, 555 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:26,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1870 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:26,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-19 13:39:26,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 450. [2024-11-19 13:39:26,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4630071599045347) internal successors, (613), 441 states have internal predecessors, (613), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 13:39:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 653 transitions. [2024-11-19 13:39:26,207 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 653 transitions. Word has length 72 [2024-11-19 13:39:26,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:26,207 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 653 transitions. [2024-11-19 13:39:26,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:26,208 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 653 transitions. [2024-11-19 13:39:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 13:39:26,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:26,209 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:26,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:39:26,210 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:26,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:26,210 INFO L85 PathProgramCache]: Analyzing trace with hash 325787668, now seen corresponding path program 1 times [2024-11-19 13:39:26,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:26,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881775269] [2024-11-19 13:39:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:26,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:26,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:26,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881775269] [2024-11-19 13:39:26,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881775269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:26,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:26,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:39:26,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604262567] [2024-11-19 13:39:26,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:26,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:26,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:26,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:26,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:26,379 INFO L87 Difference]: Start difference. First operand 450 states and 653 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:26,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:26,552 INFO L93 Difference]: Finished difference Result 895 states and 1301 transitions. [2024-11-19 13:39:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:26,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-19 13:39:26,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:26,563 INFO L225 Difference]: With dead ends: 895 [2024-11-19 13:39:26,563 INFO L226 Difference]: Without dead ends: 453 [2024-11-19 13:39:26,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:26,567 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 105 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:26,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1764 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:26,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-19 13:39:26,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-19 13:39:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4463007159904535) internal successors, (606), 441 states have internal predecessors, (606), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-19 13:39:26,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 646 transitions. [2024-11-19 13:39:26,582 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 646 transitions. Word has length 83 [2024-11-19 13:39:26,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:26,583 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 646 transitions. [2024-11-19 13:39:26,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 646 transitions. [2024-11-19 13:39:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-19 13:39:26,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:26,588 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:26,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:39:26,589 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:26,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash 153650696, now seen corresponding path program 1 times [2024-11-19 13:39:26,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:26,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478606703] [2024-11-19 13:39:26,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:26,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:26,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:26,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:26,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478606703] [2024-11-19 13:39:26,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478606703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:26,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:26,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:26,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842880007] [2024-11-19 13:39:26,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:26,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:39:26,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:26,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:39:26,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:39:26,720 INFO L87 Difference]: Start difference. First operand 450 states and 646 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:26,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:26,783 INFO L93 Difference]: Finished difference Result 1186 states and 1716 transitions. [2024-11-19 13:39:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:39:26,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-19 13:39:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:26,788 INFO L225 Difference]: With dead ends: 1186 [2024-11-19 13:39:26,788 INFO L226 Difference]: Without dead ends: 744 [2024-11-19 13:39:26,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:39:26,790 INFO L432 NwaCegarLoop]: 832 mSDtfsCounter, 373 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:26,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1449 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:39:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-19 13:39:26,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 741. [2024-11-19 13:39:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 709 states have (on average 1.456981664315938) internal successors, (1033), 731 states have internal predecessors, (1033), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-19 13:39:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1075 transitions. [2024-11-19 13:39:26,803 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1075 transitions. Word has length 83 [2024-11-19 13:39:26,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:26,803 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1075 transitions. [2024-11-19 13:39:26,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 13:39:26,803 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1075 transitions. [2024-11-19 13:39:26,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-19 13:39:26,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:26,805 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:26,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 13:39:26,805 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:26,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:26,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1551123641, now seen corresponding path program 1 times [2024-11-19 13:39:26,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:26,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632708241] [2024-11-19 13:39:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:26,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:27,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:27,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632708241] [2024-11-19 13:39:27,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632708241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:27,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:27,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:27,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549584125] [2024-11-19 13:39:27,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:27,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:27,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:27,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:27,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:27,014 INFO L87 Difference]: Start difference. First operand 741 states and 1075 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:27,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:27,099 INFO L93 Difference]: Finished difference Result 842 states and 1225 transitions. [2024-11-19 13:39:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:39:27,102 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-19 13:39:27,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:27,105 INFO L225 Difference]: With dead ends: 842 [2024-11-19 13:39:27,106 INFO L226 Difference]: Without dead ends: 840 [2024-11-19 13:39:27,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:27,106 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 224 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1885 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 [2024-11-19 13:39:27,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1885 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:27,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2024-11-19 13:39:27,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 811. [2024-11-19 13:39:27,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 774 states have (on average 1.441860465116279) internal successors, (1116), 796 states have internal predecessors, (1116), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1166 transitions. [2024-11-19 13:39:27,123 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1166 transitions. Word has length 98 [2024-11-19 13:39:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:27,124 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1166 transitions. [2024-11-19 13:39:27,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 13:39:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1166 transitions. [2024-11-19 13:39:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-19 13:39:27,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:27,125 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:27,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 13:39:27,125 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:27,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:27,126 INFO L85 PathProgramCache]: Analyzing trace with hash -246269241, now seen corresponding path program 1 times [2024-11-19 13:39:27,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:27,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772611978] [2024-11-19 13:39:27,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:27,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:27,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:27,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772611978] [2024-11-19 13:39:27,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772611978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:27,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:27,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:27,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880461539] [2024-11-19 13:39:27,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:27,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:27,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:27,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:27,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:27,375 INFO L87 Difference]: Start difference. First operand 811 states and 1166 transitions. Second operand has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:27,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:27,462 INFO L93 Difference]: Finished difference Result 1041 states and 1495 transitions. [2024-11-19 13:39:27,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:27,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 111 [2024-11-19 13:39:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:27,467 INFO L225 Difference]: With dead ends: 1041 [2024-11-19 13:39:27,467 INFO L226 Difference]: Without dead ends: 1039 [2024-11-19 13:39:27,468 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 [2024-11-19 13:39:27,469 INFO L432 NwaCegarLoop]: 619 mSDtfsCounter, 460 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:27,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1848 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:27,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-11-19 13:39:27,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 815. [2024-11-19 13:39:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 778 states have (on average 1.4395886889460154) internal successors, (1120), 799 states have internal predecessors, (1120), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1170 transitions. [2024-11-19 13:39:27,488 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1170 transitions. Word has length 111 [2024-11-19 13:39:27,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:27,489 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1170 transitions. [2024-11-19 13:39:27,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.333333333333336) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1170 transitions. [2024-11-19 13:39:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 13:39:27,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:27,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:27,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 13:39:27,490 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:27,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:27,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1818989342, now seen corresponding path program 1 times [2024-11-19 13:39:27,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:27,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366939659] [2024-11-19 13:39:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:27,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:27,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:27,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366939659] [2024-11-19 13:39:27,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366939659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:27,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415694092] [2024-11-19 13:39:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:27,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:27,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:27,925 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:27,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 13:39:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:28,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-19 13:39:28,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:28,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:28,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-19 13:39:28,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-19 13:39:28,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-19 13:39:28,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-19 13:39:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:28,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:28,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415694092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:28,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:28,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-19 13:39:28,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980414277] [2024-11-19 13:39:28,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:28,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 13:39:28,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:28,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 13:39:28,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:39:28,792 INFO L87 Difference]: Start difference. First operand 815 states and 1170 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:30,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:30,277 INFO L93 Difference]: Finished difference Result 1817 states and 2606 transitions. [2024-11-19 13:39:30,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 13:39:30,277 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2024-11-19 13:39:30,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:30,281 INFO L225 Difference]: With dead ends: 1817 [2024-11-19 13:39:30,281 INFO L226 Difference]: Without dead ends: 1090 [2024-11-19 13:39:30,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-19 13:39:30,282 INFO L432 NwaCegarLoop]: 618 mSDtfsCounter, 836 mSDsluCounter, 3427 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 4045 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:30,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 4045 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-19 13:39:30,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2024-11-19 13:39:30,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 845. [2024-11-19 13:39:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 808 states have (on average 1.431930693069307) internal successors, (1157), 829 states have internal predecessors, (1157), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:30,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1207 transitions. [2024-11-19 13:39:30,298 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1207 transitions. Word has length 117 [2024-11-19 13:39:30,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:30,299 INFO L471 AbstractCegarLoop]: Abstraction has 845 states and 1207 transitions. [2024-11-19 13:39:30,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1207 transitions. [2024-11-19 13:39:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 13:39:30,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:30,300 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:30,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 13:39:30,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:30,500 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:30,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:30,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1481284256, now seen corresponding path program 1 times [2024-11-19 13:39:30,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:30,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309721961] [2024-11-19 13:39:30,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:30,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:30,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:30,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309721961] [2024-11-19 13:39:30,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309721961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:30,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:30,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:39:30,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108420523] [2024-11-19 13:39:30,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:30,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:39:30,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:30,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:39:30,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:39:30,601 INFO L87 Difference]: Start difference. First operand 845 states and 1207 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:30,638 INFO L93 Difference]: Finished difference Result 1607 states and 2305 transitions. [2024-11-19 13:39:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:39:30,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 117 [2024-11-19 13:39:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:30,641 INFO L225 Difference]: With dead ends: 1607 [2024-11-19 13:39:30,642 INFO L226 Difference]: Without dead ends: 861 [2024-11-19 13:39:30,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:39:30,643 INFO L432 NwaCegarLoop]: 634 mSDtfsCounter, 2 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:30,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1246 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:39:30,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-19 13:39:30,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 859. [2024-11-19 13:39:30,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 822 states have (on average 1.4221411192214113) internal successors, (1169), 843 states have internal predecessors, (1169), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:30,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1219 transitions. [2024-11-19 13:39:30,658 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1219 transitions. Word has length 117 [2024-11-19 13:39:30,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:30,658 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1219 transitions. [2024-11-19 13:39:30,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1219 transitions. [2024-11-19 13:39:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 13:39:30,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:30,660 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:30,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 13:39:30,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:30,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:30,660 INFO L85 PathProgramCache]: Analyzing trace with hash -936619810, now seen corresponding path program 1 times [2024-11-19 13:39:30,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:30,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857528196] [2024-11-19 13:39:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:30,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:30,760 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:30,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:30,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857528196] [2024-11-19 13:39:30,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857528196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:30,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:30,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 13:39:30,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346518827] [2024-11-19 13:39:30,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:30,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:30,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:30,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:30,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:39:30,762 INFO L87 Difference]: Start difference. First operand 859 states and 1219 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:30,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:30,803 INFO L93 Difference]: Finished difference Result 1548 states and 2200 transitions. [2024-11-19 13:39:30,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:39:30,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 117 [2024-11-19 13:39:30,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:30,809 INFO L225 Difference]: With dead ends: 1548 [2024-11-19 13:39:30,809 INFO L226 Difference]: Without dead ends: 719 [2024-11-19 13:39:30,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:30,810 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 9 mSDsluCounter, 1069 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:30,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1613 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:39:30,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-19 13:39:30,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2024-11-19 13:39:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 682 states have (on average 1.406158357771261) internal successors, (959), 703 states have internal predecessors, (959), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:30,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1009 transitions. [2024-11-19 13:39:30,855 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1009 transitions. Word has length 117 [2024-11-19 13:39:30,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:30,856 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1009 transitions. [2024-11-19 13:39:30,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1009 transitions. [2024-11-19 13:39:30,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-19 13:39:30,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:30,857 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:30,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 13:39:30,857 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:30,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:30,857 INFO L85 PathProgramCache]: Analyzing trace with hash 66669255, now seen corresponding path program 1 times [2024-11-19 13:39:30,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:30,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019351875] [2024-11-19 13:39:30,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:30,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:31,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:31,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019351875] [2024-11-19 13:39:31,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019351875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:31,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403612461] [2024-11-19 13:39:31,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:31,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:31,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:31,337 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:31,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 13:39:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:32,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 13:39:32,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:32,213 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:32,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403612461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:32,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:32,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-19 13:39:32,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718632146] [2024-11-19 13:39:32,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:32,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:39:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:39:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:39:32,214 INFO L87 Difference]: Start difference. First operand 719 states and 1009 transitions. Second operand has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:32,453 INFO L93 Difference]: Finished difference Result 1408 states and 1992 transitions. [2024-11-19 13:39:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:39:32,455 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 118 [2024-11-19 13:39:32,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:32,457 INFO L225 Difference]: With dead ends: 1408 [2024-11-19 13:39:32,457 INFO L226 Difference]: Without dead ends: 729 [2024-11-19 13:39:32,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:39:32,458 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 11 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:32,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2918 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:39:32,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-11-19 13:39:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 727. [2024-11-19 13:39:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 690 states have (on average 1.401449275362319) internal successors, (967), 711 states have internal predecessors, (967), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1017 transitions. [2024-11-19 13:39:32,475 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1017 transitions. Word has length 118 [2024-11-19 13:39:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:32,475 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 1017 transitions. [2024-11-19 13:39:32,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 states have internal predecessors, (107), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1017 transitions. [2024-11-19 13:39:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 13:39:32,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:32,476 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:32,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 13:39:32,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:32,681 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:32,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:32,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1643462810, now seen corresponding path program 1 times [2024-11-19 13:39:32,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:32,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965479771] [2024-11-19 13:39:32,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:32,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:32,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:32,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965479771] [2024-11-19 13:39:32,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965479771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:32,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:32,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 13:39:32,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979177619] [2024-11-19 13:39:32,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:32,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 13:39:32,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:32,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 13:39:32,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:39:32,929 INFO L87 Difference]: Start difference. First operand 727 states and 1017 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:33,087 INFO L93 Difference]: Finished difference Result 1417 states and 1998 transitions. [2024-11-19 13:39:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 13:39:33,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 120 [2024-11-19 13:39:33,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:33,096 INFO L225 Difference]: With dead ends: 1417 [2024-11-19 13:39:33,096 INFO L226 Difference]: Without dead ends: 733 [2024-11-19 13:39:33,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 13:39:33,098 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 4 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1995 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:33,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1995 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 13:39:33,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-19 13:39:33,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2024-11-19 13:39:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 696 states have (on average 1.3979885057471264) internal successors, (973), 717 states have internal predecessors, (973), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1023 transitions. [2024-11-19 13:39:33,129 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1023 transitions. Word has length 120 [2024-11-19 13:39:33,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:33,129 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1023 transitions. [2024-11-19 13:39:33,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1023 transitions. [2024-11-19 13:39:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 13:39:33,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:33,130 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:33,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 13:39:33,130 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:33,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:33,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1429480750, now seen corresponding path program 1 times [2024-11-19 13:39:33,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:33,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170241737] [2024-11-19 13:39:33,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:33,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:33,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:33,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170241737] [2024-11-19 13:39:33,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170241737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:33,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:33,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-19 13:39:33,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381602971] [2024-11-19 13:39:33,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:33,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:39:33,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:33,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:39:33,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:39:33,368 INFO L87 Difference]: Start difference. First operand 733 states and 1023 transitions. Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:33,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:33,593 INFO L93 Difference]: Finished difference Result 1419 states and 1997 transitions. [2024-11-19 13:39:33,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:39:33,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 120 [2024-11-19 13:39:33,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:33,596 INFO L225 Difference]: With dead ends: 1419 [2024-11-19 13:39:33,596 INFO L226 Difference]: Without dead ends: 743 [2024-11-19 13:39:33,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:39:33,598 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 8 mSDsluCounter, 2379 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:33,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2918 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:39:33,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-19 13:39:33,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 733. [2024-11-19 13:39:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 696 states have (on average 1.3979885057471264) internal successors, (973), 717 states have internal predecessors, (973), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1023 transitions. [2024-11-19 13:39:33,612 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1023 transitions. Word has length 120 [2024-11-19 13:39:33,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:33,612 INFO L471 AbstractCegarLoop]: Abstraction has 733 states and 1023 transitions. [2024-11-19 13:39:33,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1023 transitions. [2024-11-19 13:39:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 13:39:33,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:33,613 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:33,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 13:39:33,614 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:33,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:33,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1677305811, now seen corresponding path program 1 times [2024-11-19 13:39:33,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:33,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175329633] [2024-11-19 13:39:33,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:33,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:33,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:33,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175329633] [2024-11-19 13:39:33,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175329633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:33,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:33,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 13:39:33,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262359349] [2024-11-19 13:39:33,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:33,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 13:39:33,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:33,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 13:39:33,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:39:33,912 INFO L87 Difference]: Start difference. First operand 733 states and 1023 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:34,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:34,128 INFO L93 Difference]: Finished difference Result 1424 states and 2001 transitions. [2024-11-19 13:39:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 13:39:34,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 121 [2024-11-19 13:39:34,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:34,131 INFO L225 Difference]: With dead ends: 1424 [2024-11-19 13:39:34,131 INFO L226 Difference]: Without dead ends: 753 [2024-11-19 13:39:34,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 13:39:34,132 INFO L432 NwaCegarLoop]: 539 mSDtfsCounter, 16 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 3013 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:34,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 3013 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:39:34,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-19 13:39:34,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 747. [2024-11-19 13:39:34,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 710 states have (on average 1.3957746478873239) internal successors, (991), 731 states have internal predecessors, (991), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:34,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1041 transitions. [2024-11-19 13:39:34,145 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1041 transitions. Word has length 121 [2024-11-19 13:39:34,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:34,145 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1041 transitions. [2024-11-19 13:39:34,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1041 transitions. [2024-11-19 13:39:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-19 13:39:34,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:34,147 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:34,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 13:39:34,147 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:34,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:34,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1653679177, now seen corresponding path program 1 times [2024-11-19 13:39:34,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:34,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482111249] [2024-11-19 13:39:34,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:34,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:34,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:34,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482111249] [2024-11-19 13:39:34,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482111249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:34,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755969228] [2024-11-19 13:39:34,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:34,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:34,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:34,408 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:34,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 13:39:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:34,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-19 13:39:34,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:34,863 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:34,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755969228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:34,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:34,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2024-11-19 13:39:34,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31292544] [2024-11-19 13:39:34,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:34,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 13:39:34,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:34,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 13:39:34,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:39:34,865 INFO L87 Difference]: Start difference. First operand 747 states and 1041 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:38,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-19 13:39:39,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:39,177 INFO L93 Difference]: Finished difference Result 1445 states and 2028 transitions. [2024-11-19 13:39:39,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:39:39,177 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 121 [2024-11-19 13:39:39,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:39,180 INFO L225 Difference]: With dead ends: 1445 [2024-11-19 13:39:39,180 INFO L226 Difference]: Without dead ends: 767 [2024-11-19 13:39:39,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:39:39,182 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 13 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:39,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2970 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 443 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-19 13:39:39,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-11-19 13:39:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 757. [2024-11-19 13:39:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 720 states have (on average 1.3930555555555555) internal successors, (1003), 741 states have internal predecessors, (1003), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1053 transitions. [2024-11-19 13:39:39,199 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1053 transitions. Word has length 121 [2024-11-19 13:39:39,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:39,199 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1053 transitions. [2024-11-19 13:39:39,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1053 transitions. [2024-11-19 13:39:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 13:39:39,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:39,201 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:39,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 13:39:39,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 13:39:39,402 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:39,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:39,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1355644986, now seen corresponding path program 1 times [2024-11-19 13:39:39,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:39,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004826750] [2024-11-19 13:39:39,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:39,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-19 13:39:39,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:39,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004826750] [2024-11-19 13:39:39,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004826750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:39,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:39:39,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 13:39:39,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466028062] [2024-11-19 13:39:39,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:39,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:39:39,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:39,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:39:39,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:39:39,805 INFO L87 Difference]: Start difference. First operand 757 states and 1053 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:40,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:40,169 INFO L93 Difference]: Finished difference Result 1463 states and 2052 transitions. [2024-11-19 13:39:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:39:40,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 122 [2024-11-19 13:39:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:40,173 INFO L225 Difference]: With dead ends: 1463 [2024-11-19 13:39:40,173 INFO L226 Difference]: Without dead ends: 775 [2024-11-19 13:39:40,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 13:39:40,174 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 19 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3954 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:40,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3954 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:39:40,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-19 13:39:40,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 763. [2024-11-19 13:39:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 726 states have (on average 1.3898071625344353) internal successors, (1009), 747 states have internal predecessors, (1009), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-19 13:39:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1059 transitions. [2024-11-19 13:39:40,187 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1059 transitions. Word has length 122 [2024-11-19 13:39:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:40,187 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1059 transitions. [2024-11-19 13:39:40,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 10 states have internal predecessors, (111), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1059 transitions. [2024-11-19 13:39:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-19 13:39:40,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:40,188 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:40,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 13:39:40,189 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:40,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:40,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1174325462, now seen corresponding path program 1 times [2024-11-19 13:39:40,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:40,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662582263] [2024-11-19 13:39:40,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:40,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:40,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:40,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662582263] [2024-11-19 13:39:40,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662582263] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:40,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535985408] [2024-11-19 13:39:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:40,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:40,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:40,426 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:40,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 13:39:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:41,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 13:39:41,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:41,184 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:39:41,184 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:41,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535985408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:41,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:41,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-19 13:39:41,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043250802] [2024-11-19 13:39:41,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:41,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:39:41,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:39:41,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:41,186 INFO L87 Difference]: Start difference. First operand 763 states and 1059 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:41,206 INFO L93 Difference]: Finished difference Result 1420 states and 1988 transitions. [2024-11-19 13:39:41,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:39:41,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 122 [2024-11-19 13:39:41,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:41,209 INFO L225 Difference]: With dead ends: 1420 [2024-11-19 13:39:41,209 INFO L226 Difference]: Without dead ends: 769 [2024-11-19 13:39:41,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:39:41,210 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 0 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:41,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1664 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:39:41,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-11-19 13:39:41,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 769. [2024-11-19 13:39:41,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 730 states have (on average 1.3904109589041096) internal successors, (1015), 753 states have internal predecessors, (1015), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-19 13:39:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1067 transitions. [2024-11-19 13:39:41,223 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1067 transitions. Word has length 122 [2024-11-19 13:39:41,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:41,224 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 1067 transitions. [2024-11-19 13:39:41,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 13:39:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1067 transitions. [2024-11-19 13:39:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 13:39:41,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:41,225 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:41,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 13:39:41,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 13:39:41,426 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:41,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:41,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1143747688, now seen corresponding path program 1 times [2024-11-19 13:39:41,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:41,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86588218] [2024-11-19 13:39:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:39:41,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86588218] [2024-11-19 13:39:41,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86588218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:41,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656459961] [2024-11-19 13:39:41,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:41,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:41,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:41,683 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:41,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 13:39:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:42,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-19 13:39:42,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 13:39:42,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:42,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656459961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:42,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:42,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-11-19 13:39:42,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368302293] [2024-11-19 13:39:42,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:42,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 13:39:42,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:42,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 13:39:42,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:39:42,762 INFO L87 Difference]: Start difference. First operand 769 states and 1067 transitions. Second operand has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:43,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:43,747 INFO L93 Difference]: Finished difference Result 1486 states and 2082 transitions. [2024-11-19 13:39:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 13:39:43,748 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 124 [2024-11-19 13:39:43,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:43,751 INFO L225 Difference]: With dead ends: 1486 [2024-11-19 13:39:43,751 INFO L226 Difference]: Without dead ends: 789 [2024-11-19 13:39:43,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-19 13:39:43,753 INFO L432 NwaCegarLoop]: 546 mSDtfsCounter, 13 mSDsluCounter, 3872 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4418 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:43,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4418 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-19 13:39:43,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-19 13:39:43,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 783. [2024-11-19 13:39:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 744 states have (on average 1.3884408602150538) internal successors, (1033), 767 states have internal predecessors, (1033), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-19 13:39:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1085 transitions. [2024-11-19 13:39:43,767 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1085 transitions. Word has length 124 [2024-11-19 13:39:43,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:43,767 INFO L471 AbstractCegarLoop]: Abstraction has 783 states and 1085 transitions. [2024-11-19 13:39:43,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.2) internal successors, (112), 10 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1085 transitions. [2024-11-19 13:39:43,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 13:39:43,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:43,768 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:43,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 13:39:43,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:43,969 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:43,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:43,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1929155352, now seen corresponding path program 1 times [2024-11-19 13:39:43,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:43,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440074988] [2024-11-19 13:39:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:43,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:39:44,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:44,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440074988] [2024-11-19 13:39:44,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440074988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:44,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876877073] [2024-11-19 13:39:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:44,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:44,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:44,250 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:44,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 13:39:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:44,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 13:39:44,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 13:39:44,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:44,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876877073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:44,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:44,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-19 13:39:44,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322830902] [2024-11-19 13:39:44,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:44,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:39:44,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:44,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:39:44,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-19 13:39:44,719 INFO L87 Difference]: Start difference. First operand 783 states and 1085 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:44,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:44,943 INFO L93 Difference]: Finished difference Result 1492 states and 2086 transitions. [2024-11-19 13:39:44,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 13:39:44,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 124 [2024-11-19 13:39:44,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:44,946 INFO L225 Difference]: With dead ends: 1492 [2024-11-19 13:39:44,946 INFO L226 Difference]: Without dead ends: 793 [2024-11-19 13:39:44,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-19 13:39:44,948 INFO L432 NwaCegarLoop]: 533 mSDtfsCounter, 31 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2936 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:44,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2936 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 13:39:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-19 13:39:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 787. [2024-11-19 13:39:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 748 states have (on average 1.3863636363636365) internal successors, (1037), 771 states have internal predecessors, (1037), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 11 states have call predecessors, (27), 25 states have call successors, (27) [2024-11-19 13:39:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2024-11-19 13:39:44,962 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 124 [2024-11-19 13:39:44,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:44,962 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2024-11-19 13:39:44,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2024-11-19 13:39:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-19 13:39:44,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:44,964 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:44,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 13:39:45,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:45,165 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:45,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:45,166 INFO L85 PathProgramCache]: Analyzing trace with hash -193769295, now seen corresponding path program 1 times [2024-11-19 13:39:45,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:45,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275932480] [2024-11-19 13:39:45,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:45,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 13:39:50,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:50,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275932480] [2024-11-19 13:39:50,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275932480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:50,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259858418] [2024-11-19 13:39:50,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:50,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:50,876 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:50,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 13:39:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:51,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 13:39:51,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:39:51,789 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 13:39:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 13:39:51,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259858418] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 13:39:51,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 13:39:51,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 24 [2024-11-19 13:39:51,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665545016] [2024-11-19 13:39:51,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 13:39:51,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 13:39:51,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:51,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 13:39:51,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2024-11-19 13:39:51,908 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 24 states, 22 states have (on average 9.727272727272727) internal successors, (214), 24 states have internal predecessors, (214), 4 states have call successors, (8), 3 states have call predecessors, (8), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 13:39:53,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:53,750 INFO L93 Difference]: Finished difference Result 1719 states and 2407 transitions. [2024-11-19 13:39:53,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 13:39:53,754 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 9.727272727272727) internal successors, (214), 24 states have internal predecessors, (214), 4 states have call successors, (8), 3 states have call predecessors, (8), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 124 [2024-11-19 13:39:53,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:53,761 INFO L225 Difference]: With dead ends: 1719 [2024-11-19 13:39:53,761 INFO L226 Difference]: Without dead ends: 1053 [2024-11-19 13:39:53,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=1022, Unknown=0, NotChecked=0, Total=1190 [2024-11-19 13:39:53,763 INFO L432 NwaCegarLoop]: 456 mSDtfsCounter, 497 mSDsluCounter, 4999 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 5455 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:53,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 5455 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-19 13:39:53,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-11-19 13:39:53,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 805. [2024-11-19 13:39:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 764 states have (on average 1.393979057591623) internal successors, (1065), 787 states have internal predecessors, (1065), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (29), 11 states have call predecessors, (29), 25 states have call successors, (29) [2024-11-19 13:39:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1119 transitions. [2024-11-19 13:39:53,786 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1119 transitions. Word has length 124 [2024-11-19 13:39:53,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:53,786 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1119 transitions. [2024-11-19 13:39:53,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 9.727272727272727) internal successors, (214), 24 states have internal predecessors, (214), 4 states have call successors, (8), 3 states have call predecessors, (8), 6 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 13:39:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1119 transitions. [2024-11-19 13:39:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-19 13:39:53,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:53,787 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:53,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 13:39:53,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:53,988 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:53,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1344575375, now seen corresponding path program 2 times [2024-11-19 13:39:53,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:53,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650203518] [2024-11-19 13:39:53,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:39:53,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:54,117 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 13:39:54,118 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:39:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 13:39:54,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:54,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650203518] [2024-11-19 13:39:54,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650203518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:54,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077064149] [2024-11-19 13:39:54,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 13:39:54,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:54,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:54,311 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:54,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 13:39:54,661 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 13:39:54,661 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 13:39:54,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 13:39:54,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:54,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-19 13:39:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-19 13:39:54,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:54,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077064149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:54,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:54,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-19 13:39:54,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34770906] [2024-11-19 13:39:54,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:54,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:39:54,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:54,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:39:54,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:39:54,677 INFO L87 Difference]: Start difference. First operand 805 states and 1119 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:54,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:54,692 INFO L93 Difference]: Finished difference Result 805 states and 1119 transitions. [2024-11-19 13:39:54,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:39:54,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 128 [2024-11-19 13:39:54,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:54,695 INFO L225 Difference]: With dead ends: 805 [2024-11-19 13:39:54,696 INFO L226 Difference]: Without dead ends: 804 [2024-11-19 13:39:54,696 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 13:39:54,696 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 1 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:54,697 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1108 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 13:39:54,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-19 13:39:54,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2024-11-19 13:39:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 764 states have (on average 1.3926701570680629) internal successors, (1064), 786 states have internal predecessors, (1064), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (29), 11 states have call predecessors, (29), 25 states have call successors, (29) [2024-11-19 13:39:54,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1118 transitions. [2024-11-19 13:39:54,713 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1118 transitions. Word has length 128 [2024-11-19 13:39:54,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:54,713 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1118 transitions. [2024-11-19 13:39:54,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:54,713 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1118 transitions. [2024-11-19 13:39:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-19 13:39:54,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:54,714 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:54,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 13:39:54,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 13:39:54,915 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:54,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:54,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1267836154, now seen corresponding path program 1 times [2024-11-19 13:39:54,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:54,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775446322] [2024-11-19 13:39:54,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:54,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 13:39:55,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:55,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775446322] [2024-11-19 13:39:55,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775446322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:55,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880066954] [2024-11-19 13:39:55,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:55,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:55,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:55,276 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:55,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 13:39:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:55,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 13:39:55,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-19 13:39:55,896 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 13:39:55,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880066954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:39:55,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 13:39:55,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-19 13:39:55,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752699479] [2024-11-19 13:39:55,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:39:55,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 13:39:55,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:39:55,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 13:39:55,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:39:55,897 INFO L87 Difference]: Start difference. First operand 804 states and 1118 transitions. Second operand has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:56,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 13:39:56,184 INFO L93 Difference]: Finished difference Result 1537 states and 2158 transitions. [2024-11-19 13:39:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 13:39:56,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 129 [2024-11-19 13:39:56,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 13:39:56,188 INFO L225 Difference]: With dead ends: 1537 [2024-11-19 13:39:56,188 INFO L226 Difference]: Without dead ends: 814 [2024-11-19 13:39:56,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 13:39:56,189 INFO L432 NwaCegarLoop]: 544 mSDtfsCounter, 6 mSDsluCounter, 2375 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 13:39:56,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2919 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 13:39:56,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-11-19 13:39:56,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 804. [2024-11-19 13:39:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 764 states have (on average 1.3926701570680629) internal successors, (1064), 786 states have internal predecessors, (1064), 25 states have call successors, (25), 7 states have call predecessors, (25), 8 states have return successors, (29), 11 states have call predecessors, (29), 25 states have call successors, (29) [2024-11-19 13:39:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1118 transitions. [2024-11-19 13:39:56,206 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1118 transitions. Word has length 129 [2024-11-19 13:39:56,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 13:39:56,206 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1118 transitions. [2024-11-19 13:39:56,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.142857142857142) internal successors, (113), 7 states have internal predecessors, (113), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 13:39:56,207 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1118 transitions. [2024-11-19 13:39:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-19 13:39:56,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:39:56,208 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:39:56,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-19 13:39:56,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 13:39:56,408 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-19 13:39:56,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:39:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1697455615, now seen corresponding path program 1 times [2024-11-19 13:39:56,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:39:56,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170387400] [2024-11-19 13:39:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:56,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:39:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-19 13:39:56,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:39:56,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170387400] [2024-11-19 13:39:56,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170387400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 13:39:56,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66436913] [2024-11-19 13:39:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:39:56,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 13:39:56,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:39:56,844 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 13:39:56,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 13:39:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:39:57,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-19 13:39:57,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 13:39:57,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 13:39:57,464 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-19 13:39:57,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-19 13:39:57,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-19 13:39:57,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-19 13:39:57,617 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-19 13:39:57,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 33 [2024-11-19 13:40:03,605 INFO L224 Elim1Store]: Index analysis took 430 ms