./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:32:10,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:32:10,487 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:32:10,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:32:10,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:32:10,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:32:10,528 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:32:10,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:32:10,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:32:10,529 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:32:10,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:32:10,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:32:10,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:32:10,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:32:10,531 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:32:10,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:32:10,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:32:10,532 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:32:10,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:32:10,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:32:10,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:32:10,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:32:10,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:32:10,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:32:10,539 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:32:10,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:32:10,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:32:10,542 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:32:10,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:32:10,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:32:10,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:32:10,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:32:10,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:32:10,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:32:10,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:32:10,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:32:10,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:32:10,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:32:10,545 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:32:10,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:32:10,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:32:10,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:32:10,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:32:10,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:32:10,548 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c302c0a70f15041d912ede4a343504399632b0722d257e8570893a260b2b8dc [2024-10-11 23:32:10,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:32:10,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:32:10,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:32:10,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:32:10,854 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:32:10,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2024-10-11 23:32:12,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:32:12,675 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:32:12,676 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test9-2.i [2024-10-11 23:32:12,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/426600d88/b316edfeaff94caa9ce875945402ec4e/FLAGfc4a5f7d5 [2024-10-11 23:32:12,724 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/426600d88/b316edfeaff94caa9ce875945402ec4e [2024-10-11 23:32:12,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:32:12,729 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:32:12,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:32:12,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:32:12,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:32:12,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:32:12" (1/1) ... [2024-10-11 23:32:12,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607e03d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:12, skipping insertion in model container [2024-10-11 23:32:12,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:32:12" (1/1) ... [2024-10-11 23:32:12,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:32:13,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:32:13,549 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:32:13,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:32:13,721 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:32:13,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13 WrapperNode [2024-10-11 23:32:13,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:32:13,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:32:13,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:32:13,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:32:13,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:13,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:13,888 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3456 [2024-10-11 23:32:13,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:32:13,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:32:13,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:32:13,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:32:13,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:13,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:13,922 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,048 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-10-11 23:32:14,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:32:14,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:32:14,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:32:14,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:32:14,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (1/1) ... [2024-10-11 23:32:14,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:32:14,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:14,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 23:32:14,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 23:32:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-11 23:32:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-11 23:32:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:32:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:32:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 23:32:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:32:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:32:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:32:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:32:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 23:32:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:32:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:32:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 23:32:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:32:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:32:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:32:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:32:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 23:32:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:32:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:32:14,504 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:32:14,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:32:17,209 INFO L? ?]: Removed 835 outVars from TransFormulas that were not future-live. [2024-10-11 23:32:17,210 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:32:17,278 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:32:17,278 INFO L314 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-11 23:32:17,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:32:17 BoogieIcfgContainer [2024-10-11 23:32:17,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:32:17,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:32:17,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:32:17,284 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:32:17,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:32:12" (1/3) ... [2024-10-11 23:32:17,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ed864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:32:17, skipping insertion in model container [2024-10-11 23:32:17,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:32:13" (2/3) ... [2024-10-11 23:32:17,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ed864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:32:17, skipping insertion in model container [2024-10-11 23:32:17,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:32:17" (3/3) ... [2024-10-11 23:32:17,288 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test9-2.i [2024-10-11 23:32:17,304 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:32:17,304 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-11 23:32:17,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:32:17,445 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;@67ec8ea4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:32:17,446 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-11 23:32:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 1417 states, 900 states have (on average 1.8366666666666667) internal successors, (1653), 1410 states have internal predecessors, (1653), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-10-11 23:32:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:32:17,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:17,460 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:32:17,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:17,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:17,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1902988377, now seen corresponding path program 1 times [2024-10-11 23:32:17,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:17,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769158712] [2024-10-11 23:32:17,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:17,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:17,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:17,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:17,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769158712] [2024-10-11 23:32:17,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769158712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:17,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:17,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:17,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093564919] [2024-10-11 23:32:17,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:17,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:32:17,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:17,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:32:17,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:32:17,704 INFO L87 Difference]: Start difference. First operand has 1417 states, 900 states have (on average 1.8366666666666667) internal successors, (1653), 1410 states have internal predecessors, (1653), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:17,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:17,892 INFO L93 Difference]: Finished difference Result 2831 states and 5824 transitions. [2024-10-11 23:32:17,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:32:17,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:32:17,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:17,938 INFO L225 Difference]: With dead ends: 2831 [2024-10-11 23:32:17,939 INFO L226 Difference]: Without dead ends: 1376 [2024-10-11 23:32:17,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:32:17,960 INFO L432 NwaCegarLoop]: 2586 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2586 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:17,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2586 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:32:17,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-10-11 23:32:18,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1376. [2024-10-11 23:32:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 863 states have (on average 1.7752027809965238) internal successors, (1532), 1370 states have internal predecessors, (1532), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:32:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 2538 transitions. [2024-10-11 23:32:18,345 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 2538 transitions. Word has length 6 [2024-10-11 23:32:18,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:18,346 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 2538 transitions. [2024-10-11 23:32:18,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2538 transitions. [2024-10-11 23:32:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:32:18,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:18,347 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:32:18,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:32:18,347 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:18,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:18,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1902990299, now seen corresponding path program 1 times [2024-10-11 23:32:18,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:18,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385735023] [2024-10-11 23:32:18,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:18,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:32:18,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468086112] [2024-10-11 23:32:18,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:18,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:18,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:18,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:18,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 23:32:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:18,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 23:32:18,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:18,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:32:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:18,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:32:18,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:18,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385735023] [2024-10-11 23:32:18,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:32:18,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468086112] [2024-10-11 23:32:18,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468086112] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:18,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:18,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:18,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414932094] [2024-10-11 23:32:18,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:18,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:18,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:18,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:18,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:18,642 INFO L87 Difference]: Start difference. First operand 1376 states and 2538 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:19,640 INFO L93 Difference]: Finished difference Result 2744 states and 5069 transitions. [2024-10-11 23:32:19,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:19,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:32:19,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:19,666 INFO L225 Difference]: With dead ends: 2744 [2024-10-11 23:32:19,666 INFO L226 Difference]: Without dead ends: 2742 [2024-10-11 23:32:19,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:19,669 INFO L432 NwaCegarLoop]: 2807 mSDtfsCounter, 1518 mSDsluCounter, 4816 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 7623 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:19,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 7623 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:32:19,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2024-10-11 23:32:19,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 1382. [2024-10-11 23:32:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7710011507479861) internal successors, (1539), 1376 states have internal predecessors, (1539), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:32:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2545 transitions. [2024-10-11 23:32:19,978 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2545 transitions. Word has length 6 [2024-10-11 23:32:19,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:19,979 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2545 transitions. [2024-10-11 23:32:19,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2545 transitions. [2024-10-11 23:32:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-11 23:32:19,983 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:19,983 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:19,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 23:32:20,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:20,185 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:20,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:20,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1124646704, now seen corresponding path program 1 times [2024-10-11 23:32:20,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:20,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821843074] [2024-10-11 23:32:20,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:20,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:20,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:20,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821843074] [2024-10-11 23:32:20,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821843074] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:20,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:20,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:32:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665391377] [2024-10-11 23:32:20,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:20,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:32:20,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:20,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:32:20,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:32:20,578 INFO L87 Difference]: Start difference. First operand 1382 states and 2545 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:21,407 INFO L93 Difference]: Finished difference Result 3910 states and 7309 transitions. [2024-10-11 23:32:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:21,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2024-10-11 23:32:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:21,428 INFO L225 Difference]: With dead ends: 3910 [2024-10-11 23:32:21,428 INFO L226 Difference]: Without dead ends: 2741 [2024-10-11 23:32:21,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:21,438 INFO L432 NwaCegarLoop]: 2753 mSDtfsCounter, 1519 mSDsluCounter, 4763 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 7516 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:21,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 7516 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:32:21,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2024-10-11 23:32:21,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 1382. [2024-10-11 23:32:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.7698504027617952) internal successors, (1538), 1376 states have internal predecessors, (1538), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:32:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2544 transitions. [2024-10-11 23:32:21,708 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2544 transitions. Word has length 63 [2024-10-11 23:32:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:21,708 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2544 transitions. [2024-10-11 23:32:21,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2544 transitions. [2024-10-11 23:32:21,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:32:21,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:21,714 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:21,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 23:32:21,714 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:21,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:21,715 INFO L85 PathProgramCache]: Analyzing trace with hash 504163255, now seen corresponding path program 1 times [2024-10-11 23:32:21,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:21,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946038335] [2024-10-11 23:32:21,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:21,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:22,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:22,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946038335] [2024-10-11 23:32:22,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946038335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:22,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:22,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:32:22,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748883319] [2024-10-11 23:32:22,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:22,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:22,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:22,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:22,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:22,034 INFO L87 Difference]: Start difference. First operand 1382 states and 2544 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:22,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:22,188 INFO L93 Difference]: Finished difference Result 2760 states and 5084 transitions. [2024-10-11 23:32:22,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:32:22,189 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 23:32:22,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:22,200 INFO L225 Difference]: With dead ends: 2760 [2024-10-11 23:32:22,200 INFO L226 Difference]: Without dead ends: 1385 [2024-10-11 23:32:22,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:22,206 INFO L432 NwaCegarLoop]: 2507 mSDtfsCounter, 108 mSDsluCounter, 4923 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 7430 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:22,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 7430 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-10-11 23:32:22,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1382. [2024-10-11 23:32:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1382 states, 869 states have (on average 1.761795166858458) internal successors, (1531), 1376 states have internal predecessors, (1531), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:32:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 2537 transitions. [2024-10-11 23:32:22,368 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 2537 transitions. Word has length 80 [2024-10-11 23:32:22,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:22,368 INFO L471 AbstractCegarLoop]: Abstraction has 1382 states and 2537 transitions. [2024-10-11 23:32:22,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2537 transitions. [2024-10-11 23:32:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:32:22,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:22,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:22,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:32:22,376 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:22,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1073302955, now seen corresponding path program 1 times [2024-10-11 23:32:22,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:22,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855499721] [2024-10-11 23:32:22,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:22,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:22,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855499721] [2024-10-11 23:32:22,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855499721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:22,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:22,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:32:22,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499880594] [2024-10-11 23:32:22,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:22,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:32:22,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:22,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:32:22,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:22,506 INFO L87 Difference]: Start difference. First operand 1382 states and 2537 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:22,601 INFO L93 Difference]: Finished difference Result 2763 states and 5076 transitions. [2024-10-11 23:32:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:32:22,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 23:32:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:22,613 INFO L225 Difference]: With dead ends: 2763 [2024-10-11 23:32:22,613 INFO L226 Difference]: Without dead ends: 1388 [2024-10-11 23:32:22,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:22,622 INFO L432 NwaCegarLoop]: 2522 mSDtfsCounter, 1 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5023 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:22,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5023 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:32:22,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-10-11 23:32:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2024-10-11 23:32:22,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 875 states have (on average 1.7565714285714287) internal successors, (1537), 1382 states have internal predecessors, (1537), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-10-11 23:32:22,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 2543 transitions. [2024-10-11 23:32:22,741 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 2543 transitions. Word has length 80 [2024-10-11 23:32:22,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:22,742 INFO L471 AbstractCegarLoop]: Abstraction has 1388 states and 2543 transitions. [2024-10-11 23:32:22,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:22,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 2543 transitions. [2024-10-11 23:32:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-10-11 23:32:22,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:22,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:22,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:32:22,744 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:22,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:22,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1554383213, now seen corresponding path program 1 times [2024-10-11 23:32:22,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:22,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626481132] [2024-10-11 23:32:22,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:22,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 23:32:22,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:22,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626481132] [2024-10-11 23:32:22,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626481132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:22,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:22,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:32:22,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81308710] [2024-10-11 23:32:22,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:22,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:32:22,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:22,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:32:22,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:22,913 INFO L87 Difference]: Start difference. First operand 1388 states and 2543 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:23,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:23,068 INFO L93 Difference]: Finished difference Result 4045 states and 7482 transitions. [2024-10-11 23:32:23,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:32:23,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-10-11 23:32:23,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:23,090 INFO L225 Difference]: With dead ends: 4045 [2024-10-11 23:32:23,090 INFO L226 Difference]: Without dead ends: 2664 [2024-10-11 23:32:23,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:32:23,097 INFO L432 NwaCegarLoop]: 2985 mSDtfsCounter, 1342 mSDsluCounter, 2515 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 5500 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:23,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1842 Valid, 5500 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:32:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2024-10-11 23:32:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2660. [2024-10-11 23:32:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1647 states have (on average 1.7838494231936854) internal successors, (2938), 2654 states have internal predecessors, (2938), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-10-11 23:32:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 4944 transitions. [2024-10-11 23:32:23,365 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 4944 transitions. Word has length 80 [2024-10-11 23:32:23,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:23,366 INFO L471 AbstractCegarLoop]: Abstraction has 2660 states and 4944 transitions. [2024-10-11 23:32:23,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:32:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 4944 transitions. [2024-10-11 23:32:23,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-11 23:32:23,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:23,369 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:23,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:32:23,370 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:23,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash 2093743072, now seen corresponding path program 1 times [2024-10-11 23:32:23,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:23,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166116022] [2024-10-11 23:32:23,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:23,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:23,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:32:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:23,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:32:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:23,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:23,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166116022] [2024-10-11 23:32:23,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166116022] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:23,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:23,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:32:23,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269887551] [2024-10-11 23:32:23,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:23,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:23,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:23,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:23,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:23,681 INFO L87 Difference]: Start difference. First operand 2660 states and 4944 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:27,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:27,956 INFO L93 Difference]: Finished difference Result 4902 states and 9291 transitions. [2024-10-11 23:32:27,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:32:27,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 93 [2024-10-11 23:32:27,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:27,992 INFO L225 Difference]: With dead ends: 4902 [2024-10-11 23:32:27,992 INFO L226 Difference]: Without dead ends: 4900 [2024-10-11 23:32:27,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:32:27,996 INFO L432 NwaCegarLoop]: 2744 mSDtfsCounter, 1431 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 2645 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 7693 SdHoareTripleChecker+Invalid, 3651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 2645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:27,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 7693 Invalid, 3651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 2645 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-11 23:32:28,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2024-10-11 23:32:28,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 2724. [2024-10-11 23:32:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2724 states, 1708 states have (on average 1.765807962529274) internal successors, (3016), 2715 states have internal predecessors, (3016), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:32:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2724 states and 5028 transitions. [2024-10-11 23:32:28,459 INFO L78 Accepts]: Start accepts. Automaton has 2724 states and 5028 transitions. Word has length 93 [2024-10-11 23:32:28,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:28,460 INFO L471 AbstractCegarLoop]: Abstraction has 2724 states and 5028 transitions. [2024-10-11 23:32:28,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 5028 transitions. [2024-10-11 23:32:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 23:32:28,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:28,461 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:28,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:32:28,462 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:28,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:28,464 INFO L85 PathProgramCache]: Analyzing trace with hash -371990529, now seen corresponding path program 1 times [2024-10-11 23:32:28,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:28,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954117619] [2024-10-11 23:32:28,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:28,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:28,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:32:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:28,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:32:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:32:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954117619] [2024-10-11 23:32:28,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954117619] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:28,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952459557] [2024-10-11 23:32:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:28,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:28,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:28,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:28,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 23:32:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:29,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-11 23:32:29,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:32:29,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:32:29,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:32:29,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-10-11 23:32:29,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 23:32:29,771 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 [2024-10-11 23:32:30,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:30,008 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:32:30,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952459557] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:30,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:32:30,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-11 23:32:30,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251957761] [2024-10-11 23:32:30,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:30,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:32:30,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:30,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:32:30,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:32:30,011 INFO L87 Difference]: Start difference. First operand 2724 states and 5028 transitions. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:33,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:33,364 INFO L93 Difference]: Finished difference Result 7568 states and 14228 transitions. [2024-10-11 23:32:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:32:33,365 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-10-11 23:32:33,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:33,426 INFO L225 Difference]: With dead ends: 7568 [2024-10-11 23:32:33,426 INFO L226 Difference]: Without dead ends: 4937 [2024-10-11 23:32:33,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:32:33,440 INFO L432 NwaCegarLoop]: 2755 mSDtfsCounter, 1790 mSDsluCounter, 17707 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2292 SdHoareTripleChecker+Valid, 20462 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:33,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2292 Valid, 20462 Invalid, 1654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1647 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-11 23:32:33,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2024-10-11 23:32:34,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 2756. [2024-10-11 23:32:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2756 states, 1740 states have (on average 1.7545977011494254) internal successors, (3053), 2747 states have internal predecessors, (3053), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:32:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2756 states and 5065 transitions. [2024-10-11 23:32:34,052 INFO L78 Accepts]: Start accepts. Automaton has 2756 states and 5065 transitions. Word has length 99 [2024-10-11 23:32:34,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:34,054 INFO L471 AbstractCegarLoop]: Abstraction has 2756 states and 5065 transitions. [2024-10-11 23:32:34,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 10 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 5065 transitions. [2024-10-11 23:32:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-11 23:32:34,055 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:34,055 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:34,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 23:32:34,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:34,256 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:34,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:34,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1044583555, now seen corresponding path program 1 times [2024-10-11 23:32:34,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:34,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953470013] [2024-10-11 23:32:34,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:34,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:34,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:32:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:34,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:32:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:32:34,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:34,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953470013] [2024-10-11 23:32:34,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953470013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:32:34,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:32:34,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:32:34,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345776506] [2024-10-11 23:32:34,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:32:34,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:32:34,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:32:34,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:32:34,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:32:34,496 INFO L87 Difference]: Start difference. First operand 2756 states and 5065 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:36,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:32:36,777 INFO L93 Difference]: Finished difference Result 5345 states and 9901 transitions. [2024-10-11 23:32:36,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:32:36,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-10-11 23:32:36,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:32:36,795 INFO L225 Difference]: With dead ends: 5345 [2024-10-11 23:32:36,796 INFO L226 Difference]: Without dead ends: 2618 [2024-10-11 23:32:36,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:32:36,805 INFO L432 NwaCegarLoop]: 2428 mSDtfsCounter, 14 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7644 SdHoareTripleChecker+Invalid, 2131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:32:36,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7644 Invalid, 2131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 23:32:36,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2024-10-11 23:32:37,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2616. [2024-10-11 23:32:37,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2616 states, 1600 states have (on average 1.776875) internal successors, (2843), 2607 states have internal predecessors, (2843), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-10-11 23:32:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 4855 transitions. [2024-10-11 23:32:37,130 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 4855 transitions. Word has length 99 [2024-10-11 23:32:37,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:32:37,131 INFO L471 AbstractCegarLoop]: Abstraction has 2616 states and 4855 transitions. [2024-10-11 23:32:37,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:32:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 4855 transitions. [2024-10-11 23:32:37,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-11 23:32:37,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:32:37,132 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:32:37,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:32:37,133 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-11 23:32:37,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:32:37,133 INFO L85 PathProgramCache]: Analyzing trace with hash -333292642, now seen corresponding path program 1 times [2024-10-11 23:32:37,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:32:37,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262594514] [2024-10-11 23:32:37,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:37,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:32:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:32:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:32:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,449 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 23:32:37,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:32:37,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262594514] [2024-10-11 23:32:37,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262594514] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:32:37,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938264279] [2024-10-11 23:32:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:32:37,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:32:37,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:32:37,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:32:37,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 23:32:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:32:37,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 23:32:37,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:33:16,592 WARN L286 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-10-11 23:33:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-11 23:33:26,938 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:33:26,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938264279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:33:26,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:33:26,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-10-11 23:33:26,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914827542] [2024-10-11 23:33:26,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:33:26,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 23:33:26,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:33:26,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 23:33:26,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=172, Unknown=5, NotChecked=0, Total=210 [2024-10-11 23:33:26,941 INFO L87 Difference]: Start difference. First operand 2616 states and 4855 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:33:28,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-11 23:33:32,892 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 [0]