./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_SAX_test4-3.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_SAX_test4-3.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 f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 23:40:14,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 23:40:14,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 23:40:14,849 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 23:40:14,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 23:40:14,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 23:40:14,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 23:40:14,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 23:40:14,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 23:40:14,880 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 23:40:14,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 23:40:14,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 23:40:14,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 23:40:14,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 23:40:14,884 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 23:40:14,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 23:40:14,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 23:40:14,885 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 23:40:14,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 23:40:14,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 23:40:14,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 23:40:14,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 23:40:14,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 23:40:14,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 23:40:14,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 23:40:14,890 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 23:40:14,891 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 23:40:14,891 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 23:40:14,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 23:40:14,891 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 23:40:14,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 23:40:14,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 23:40:14,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 23:40:14,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 23:40:14,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:40:14,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 23:40:14,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 23:40:14,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 23:40:14,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 23:40:14,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 23:40:14,895 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 23:40:14,895 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 23:40:14,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 23:40:14,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 23:40:14,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41a78d87834195eab5eb2e1b786d665ee0f261c86aa89f4e0ae15aff9e9d1ee [2024-10-11 23:40:15,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 23:40:15,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 23:40:15,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 23:40:15,196 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 23:40:15,197 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 23:40:15,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2024-10-11 23:40:16,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 23:40:16,961 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 23:40:16,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-3.i [2024-10-11 23:40:16,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4480e681c/ccd7585dfeb0448883eca95bcc55994a/FLAGe74e93b2b [2024-10-11 23:40:17,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4480e681c/ccd7585dfeb0448883eca95bcc55994a [2024-10-11 23:40:17,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 23:40:17,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 23:40:17,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 23:40:17,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 23:40:17,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 23:40:17,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:40:17" (1/1) ... [2024-10-11 23:40:17,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3883bf7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:17, skipping insertion in model container [2024-10-11 23:40:17,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 11:40:17" (1/1) ... [2024-10-11 23:40:17,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 23:40:17,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:40:17,852 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 23:40:17,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 23:40:18,018 INFO L204 MainTranslator]: Completed translation [2024-10-11 23:40:18,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18 WrapperNode [2024-10-11 23:40:18,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 23:40:18,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 23:40:18,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 23:40:18,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 23:40:18,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,152 INFO L138 Inliner]: procedures = 176, calls = 435, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1912 [2024-10-11 23:40:18,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 23:40:18,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 23:40:18,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 23:40:18,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 23:40:18,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,177 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,319 INFO L175 MemorySlicer]: Split 403 memory accesses to 2 slices as follows [2, 401]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 98 writes are split as follows [0, 98]. [2024-10-11 23:40:18,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 23:40:18,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 23:40:18,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 23:40:18,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 23:40:18,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (1/1) ... [2024-10-11 23:40:18,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 23:40:18,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:18,460 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 23:40:18,467 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 23:40:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 23:40:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 23:40:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 23:40:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 23:40:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 23:40:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 23:40:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 23:40:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 23:40:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 23:40:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 23:40:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 23:40:18,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 23:40:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 23:40:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 23:40:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 23:40:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 23:40:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 23:40:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 23:40:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 23:40:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 23:40:18,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 23:40:18,755 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 23:40:18,757 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 23:40:20,456 INFO L? ?]: Removed 436 outVars from TransFormulas that were not future-live. [2024-10-11 23:40:20,457 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 23:40:20,514 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 23:40:20,514 INFO L314 CfgBuilder]: Removed 77 assume(true) statements. [2024-10-11 23:40:20,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:40:20 BoogieIcfgContainer [2024-10-11 23:40:20,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 23:40:20,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 23:40:20,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 23:40:20,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 23:40:20,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 11:40:17" (1/3) ... [2024-10-11 23:40:20,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c5fec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:40:20, skipping insertion in model container [2024-10-11 23:40:20,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 11:40:18" (2/3) ... [2024-10-11 23:40:20,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c5fec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 11:40:20, skipping insertion in model container [2024-10-11 23:40:20,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 11:40:20" (3/3) ... [2024-10-11 23:40:20,522 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-3.i [2024-10-11 23:40:20,538 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 23:40:20,538 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 23:40:20,625 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 23:40:20,634 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;@58f1c478, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 23:40:20,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 23:40:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 492 states, 467 states have (on average 1.633832976445396) internal successors, (763), 483 states have internal predecessors, (763), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 23:40:20,647 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:20,648 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 23:40:20,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:20,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1813458813, now seen corresponding path program 1 times [2024-10-11 23:40:20,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:20,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494408069] [2024-10-11 23:40:20,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:20,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:20,798 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 23:40:20,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:20,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494408069] [2024-10-11 23:40:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494408069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:20,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:20,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:40:20,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157137154] [2024-10-11 23:40:20,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:20,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 23:40:20,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:20,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 23:40:20,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 23:40:20,831 INFO L87 Difference]: Start difference. First operand has 492 states, 467 states have (on average 1.633832976445396) internal successors, (763), 483 states have internal predecessors, (763), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:20,931 INFO L93 Difference]: Finished difference Result 981 states and 1598 transitions. [2024-10-11 23:40:20,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 23:40:20,937 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 23:40:20,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:20,953 INFO L225 Difference]: With dead ends: 981 [2024-10-11 23:40:20,953 INFO L226 Difference]: Without dead ends: 426 [2024-10-11 23:40:20,961 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 23:40:20,966 INFO L432 NwaCegarLoop]: 702 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, 702 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 23:40:20,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 702 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:40:20,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-10-11 23:40:21,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2024-10-11 23:40:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 403 states have (on average 1.4590570719602978) internal successors, (588), 417 states have internal predecessors, (588), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:21,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 620 transitions. [2024-10-11 23:40:21,043 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 620 transitions. Word has length 5 [2024-10-11 23:40:21,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:21,045 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 620 transitions. [2024-10-11 23:40:21,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:21,045 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 620 transitions. [2024-10-11 23:40:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-11 23:40:21,046 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:21,046 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 23:40:21,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 23:40:21,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:21,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:21,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1769814998, now seen corresponding path program 1 times [2024-10-11 23:40:21,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:21,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853210403] [2024-10-11 23:40:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:21,132 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 23:40:21,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:21,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853210403] [2024-10-11 23:40:21,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853210403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:21,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:21,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:40:21,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877980171] [2024-10-11 23:40:21,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:21,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:40:21,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:21,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:40:21,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:40:21,137 INFO L87 Difference]: Start difference. First operand 426 states and 620 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:21,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:21,219 INFO L93 Difference]: Finished difference Result 843 states and 1232 transitions. [2024-10-11 23:40:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:40:21,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-11 23:40:21,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:21,227 INFO L225 Difference]: With dead ends: 843 [2024-10-11 23:40:21,227 INFO L226 Difference]: Without dead ends: 812 [2024-10-11 23:40:21,229 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 23:40:21,230 INFO L432 NwaCegarLoop]: 658 mSDtfsCounter, 547 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:21,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1268 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:40:21,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-11 23:40:21,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 427. [2024-10-11 23:40:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 404 states have (on average 1.4579207920792079) internal successors, (589), 418 states have internal predecessors, (589), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 621 transitions. [2024-10-11 23:40:21,264 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 621 transitions. Word has length 5 [2024-10-11 23:40:21,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:21,265 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 621 transitions. [2024-10-11 23:40:21,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:21,265 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 621 transitions. [2024-10-11 23:40:21,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-11 23:40:21,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:21,266 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-11 23:40:21,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 23:40:21,266 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:21,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:21,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1013411933, now seen corresponding path program 1 times [2024-10-11 23:40:21,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:21,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520275365] [2024-10-11 23:40:21,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:21,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 23:40:21,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871686836] [2024-10-11 23:40:21,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:21,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:21,315 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 23:40:21,318 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 23:40:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:21,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 23:40:21,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:21,571 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 23:40:21,571 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:21,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:21,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520275365] [2024-10-11 23:40:21,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 23:40:21,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871686836] [2024-10-11 23:40:21,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871686836] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:21,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:21,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 23:40:21,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272031026] [2024-10-11 23:40:21,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:21,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:40:21,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:21,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:40:21,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:40:21,574 INFO L87 Difference]: Start difference. First operand 427 states and 621 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:21,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:21,644 INFO L93 Difference]: Finished difference Result 813 states and 1181 transitions. [2024-10-11 23:40:21,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:40:21,644 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-11 23:40:21,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:21,650 INFO L225 Difference]: With dead ends: 813 [2024-10-11 23:40:21,650 INFO L226 Difference]: Without dead ends: 812 [2024-10-11 23:40:21,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:40:21,652 INFO L432 NwaCegarLoop]: 706 mSDtfsCounter, 543 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:21,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1316 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:40:21,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-10-11 23:40:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 431. [2024-10-11 23:40:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 422 states have internal predecessors, (593), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 625 transitions. [2024-10-11 23:40:21,682 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 625 transitions. Word has length 6 [2024-10-11 23:40:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:21,682 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 625 transitions. [2024-10-11 23:40:21,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:21,682 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 625 transitions. [2024-10-11 23:40:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:40:21,690 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:21,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:21,707 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 23:40:21,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:21,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:21,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1155176695, now seen corresponding path program 1 times [2024-10-11 23:40:21,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:21,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154515363] [2024-10-11 23:40:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:21,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:22,563 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 23:40:22,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:22,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154515363] [2024-10-11 23:40:22,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154515363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:22,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:22,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:40:22,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264661480] [2024-10-11 23:40:22,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:22,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:40:22,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:22,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:40:22,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:40:22,570 INFO L87 Difference]: Start difference. First operand 431 states and 625 transitions. Second operand has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:22,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:22,672 INFO L93 Difference]: Finished difference Result 859 states and 1247 transitions. [2024-10-11 23:40:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:40:22,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-11 23:40:22,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:22,675 INFO L225 Difference]: With dead ends: 859 [2024-10-11 23:40:22,675 INFO L226 Difference]: Without dead ends: 434 [2024-10-11 23:40:22,676 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 23:40:22,678 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 87 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:22,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2254 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 23:40:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-10-11 23:40:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 431. [2024-10-11 23:40:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 408 states have (on average 1.4362745098039216) internal successors, (586), 422 states have internal predecessors, (586), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 618 transitions. [2024-10-11 23:40:22,689 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 618 transitions. Word has length 150 [2024-10-11 23:40:22,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:22,691 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 618 transitions. [2024-10-11 23:40:22,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.0) internal successors, (150), 5 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 618 transitions. [2024-10-11 23:40:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:40:22,697 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:22,697 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:22,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 23:40:22,698 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:22,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:22,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1059814531, now seen corresponding path program 1 times [2024-10-11 23:40:22,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:22,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481951632] [2024-10-11 23:40:22,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:22,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:23,008 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 23:40:23,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:23,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481951632] [2024-10-11 23:40:23,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481951632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:23,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:23,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 23:40:23,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455419275] [2024-10-11 23:40:23,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:23,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:40:23,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:23,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:40:23,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:40:23,011 INFO L87 Difference]: Start difference. First operand 431 states and 618 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:23,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:23,077 INFO L93 Difference]: Finished difference Result 862 states and 1239 transitions. [2024-10-11 23:40:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:40:23,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-11 23:40:23,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:23,080 INFO L225 Difference]: With dead ends: 862 [2024-10-11 23:40:23,080 INFO L226 Difference]: Without dead ends: 437 [2024-10-11 23:40:23,081 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 23:40:23,082 INFO L432 NwaCegarLoop]: 604 mSDtfsCounter, 1 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1187 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 23:40:23,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1187 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:40:23,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-10-11 23:40:23,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2024-10-11 23:40:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 414 states have (on average 1.429951690821256) internal successors, (592), 428 states have internal predecessors, (592), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 624 transitions. [2024-10-11 23:40:23,098 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 624 transitions. Word has length 150 [2024-10-11 23:40:23,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:23,100 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 624 transitions. [2024-10-11 23:40:23,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 624 transitions. [2024-10-11 23:40:23,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-11 23:40:23,106 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:23,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:23,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 23:40:23,107 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:23,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:23,107 INFO L85 PathProgramCache]: Analyzing trace with hash 571767425, now seen corresponding path program 1 times [2024-10-11 23:40:23,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:23,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390903099] [2024-10-11 23:40:23,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:23,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:23,322 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 23:40:23,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:23,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390903099] [2024-10-11 23:40:23,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390903099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:23,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:23,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 23:40:23,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035491821] [2024-10-11 23:40:23,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:23,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 23:40:23,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:23,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 23:40:23,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 23:40:23,325 INFO L87 Difference]: Start difference. First operand 437 states and 624 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:23,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:23,378 INFO L93 Difference]: Finished difference Result 1001 states and 1435 transitions. [2024-10-11 23:40:23,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 23:40:23,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-10-11 23:40:23,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:23,382 INFO L225 Difference]: With dead ends: 1001 [2024-10-11 23:40:23,383 INFO L226 Difference]: Without dead ends: 570 [2024-10-11 23:40:23,383 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 23:40:23,384 INFO L432 NwaCegarLoop]: 609 mSDtfsCounter, 134 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:23,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1212 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:40:23,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-10-11 23:40:23,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2024-10-11 23:40:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 547 states have (on average 1.43327239488117) internal successors, (784), 561 states have internal predecessors, (784), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 816 transitions. [2024-10-11 23:40:23,396 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 816 transitions. Word has length 150 [2024-10-11 23:40:23,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:23,397 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 816 transitions. [2024-10-11 23:40:23,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 2 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 23:40:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 816 transitions. [2024-10-11 23:40:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:40:23,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:23,399 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:23,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 23:40:23,400 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:23,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:23,400 INFO L85 PathProgramCache]: Analyzing trace with hash 784383140, now seen corresponding path program 1 times [2024-10-11 23:40:23,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:23,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664728057] [2024-10-11 23:40:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:23,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:23,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:40:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:23,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:40:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:23,815 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 23:40:23,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:23,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664728057] [2024-10-11 23:40:23,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664728057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:23,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:23,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 23:40:23,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362154823] [2024-10-11 23:40:23,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:23,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:40:23,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:23,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:40:23,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:40:23,818 INFO L87 Difference]: Start difference. First operand 570 states and 816 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:40:24,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:24,241 INFO L93 Difference]: Finished difference Result 961 states and 1376 transitions. [2024-10-11 23:40:24,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 23:40:24,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2024-10-11 23:40:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:24,245 INFO L225 Difference]: With dead ends: 961 [2024-10-11 23:40:24,245 INFO L226 Difference]: Without dead ends: 530 [2024-10-11 23:40:24,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 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 23:40:24,250 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 35 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:24,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1868 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:40:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-10-11 23:40:24,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 528. [2024-10-11 23:40:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 505 states have (on average 1.4) internal successors, (707), 519 states have internal predecessors, (707), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 23:40:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 739 transitions. [2024-10-11 23:40:24,265 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 739 transitions. Word has length 163 [2024-10-11 23:40:24,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:24,265 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 739 transitions. [2024-10-11 23:40:24,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 4 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:40:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 739 transitions. [2024-10-11 23:40:24,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 23:40:24,268 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:24,268 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:24,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 23:40:24,268 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:24,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:24,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1933111400, now seen corresponding path program 1 times [2024-10-11 23:40:24,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:24,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577348893] [2024-10-11 23:40:24,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:24,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:24,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:40:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:24,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:40:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:24,565 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 23:40:24,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577348893] [2024-10-11 23:40:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577348893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:24,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:24,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:40:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937352912] [2024-10-11 23:40:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:24,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:40:24,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:40:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:40:24,574 INFO L87 Difference]: Start difference. First operand 528 states and 739 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:40:24,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:24,977 INFO L93 Difference]: Finished difference Result 1065 states and 1489 transitions. [2024-10-11 23:40:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:40:24,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 163 [2024-10-11 23:40:24,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:24,983 INFO L225 Difference]: With dead ends: 1065 [2024-10-11 23:40:24,983 INFO L226 Difference]: Without dead ends: 676 [2024-10-11 23:40:24,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 23:40:24,987 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 248 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1439 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:24,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1439 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:40:24,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-10-11 23:40:25,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 674. [2024-10-11 23:40:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 648 states have (on average 1.3858024691358024) internal successors, (898), 662 states have internal predecessors, (898), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 23:40:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 936 transitions. [2024-10-11 23:40:25,007 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 936 transitions. Word has length 163 [2024-10-11 23:40:25,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:25,008 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 936 transitions. [2024-10-11 23:40:25,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 3 states have internal predecessors, (157), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-11 23:40:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 936 transitions. [2024-10-11 23:40:25,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-10-11 23:40:25,013 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:25,014 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:25,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 23:40:25,014 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:25,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:25,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1344808361, now seen corresponding path program 1 times [2024-10-11 23:40:25,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:25,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959178258] [2024-10-11 23:40:25,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:25,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:25,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:40:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:25,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:40:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:25,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:40:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:25,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:40:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:25,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:25,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959178258] [2024-10-11 23:40:25,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959178258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:25,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:25,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:40:25,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629360622] [2024-10-11 23:40:25,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:25,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:40:25,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:25,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:40:25,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:40:25,436 INFO L87 Difference]: Start difference. First operand 674 states and 936 transitions. Second operand has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:25,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:25,807 INFO L93 Difference]: Finished difference Result 676 states and 947 transitions. [2024-10-11 23:40:25,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:40:25,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 176 [2024-10-11 23:40:25,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:25,811 INFO L225 Difference]: With dead ends: 676 [2024-10-11 23:40:25,813 INFO L226 Difference]: Without dead ends: 675 [2024-10-11 23:40:25,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:40:25,814 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 306 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:25,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1460 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:40:25,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-10-11 23:40:25,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 673. [2024-10-11 23:40:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 648 states have (on average 1.3842592592592593) internal successors, (897), 661 states have internal predecessors, (897), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-11 23:40:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 935 transitions. [2024-10-11 23:40:25,834 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 935 transitions. Word has length 176 [2024-10-11 23:40:25,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:25,835 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 935 transitions. [2024-10-11 23:40:25,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 935 transitions. [2024-10-11 23:40:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-11 23:40:25,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:25,837 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:25,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 23:40:25,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:25,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:25,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1260615286, now seen corresponding path program 1 times [2024-10-11 23:40:25,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:25,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314305919] [2024-10-11 23:40:25,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:25,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:26,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:40:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:26,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:40:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:26,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:40:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:26,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:40:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:26,227 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:26,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:26,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314305919] [2024-10-11 23:40:26,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314305919] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:26,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:26,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:40:26,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083465204] [2024-10-11 23:40:26,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:26,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:40:26,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:26,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:40:26,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:40:26,231 INFO L87 Difference]: Start difference. First operand 673 states and 935 transitions. Second operand has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:26,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:26,629 INFO L93 Difference]: Finished difference Result 740 states and 1034 transitions. [2024-10-11 23:40:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 23:40:26,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 177 [2024-10-11 23:40:26,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:26,634 INFO L225 Difference]: With dead ends: 740 [2024-10-11 23:40:26,634 INFO L226 Difference]: Without dead ends: 739 [2024-10-11 23:40:26,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:40:26,635 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 299 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 2039 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:26,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 2039 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:40:26,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-10-11 23:40:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 737. [2024-10-11 23:40:26,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 709 states have (on average 1.375176304654443) internal successors, (975), 722 states have internal predecessors, (975), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1019 transitions. [2024-10-11 23:40:26,663 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1019 transitions. Word has length 177 [2024-10-11 23:40:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:26,663 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1019 transitions. [2024-10-11 23:40:26,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 40.75) internal successors, (163), 4 states have internal predecessors, (163), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1019 transitions. [2024-10-11 23:40:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-10-11 23:40:26,666 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:26,666 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:26,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 23:40:26,667 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:26,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2027494317, now seen corresponding path program 1 times [2024-10-11 23:40:26,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:26,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971340409] [2024-10-11 23:40:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:26,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:40:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:27,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:40:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:27,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:40:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:27,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:40:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:27,011 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-11 23:40:27,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:27,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971340409] [2024-10-11 23:40:27,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971340409] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:27,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:27,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 23:40:27,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856797243] [2024-10-11 23:40:27,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:27,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 23:40:27,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:27,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 23:40:27,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 23:40:27,014 INFO L87 Difference]: Start difference. First operand 737 states and 1019 transitions. Second operand has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:27,516 INFO L93 Difference]: Finished difference Result 763 states and 1075 transitions. [2024-10-11 23:40:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:40:27,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-10-11 23:40:27,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:27,520 INFO L225 Difference]: With dead ends: 763 [2024-10-11 23:40:27,520 INFO L226 Difference]: Without dead ends: 761 [2024-10-11 23:40:27,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:27,521 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 341 mSDsluCounter, 922 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:27,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1436 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:40:27,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-10-11 23:40:27,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 740. [2024-10-11 23:40:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 712 states have (on average 1.3735955056179776) internal successors, (978), 725 states have internal predecessors, (978), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1022 transitions. [2024-10-11 23:40:27,541 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1022 transitions. Word has length 181 [2024-10-11 23:40:27,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:27,542 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1022 transitions. [2024-10-11 23:40:27,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1022 transitions. [2024-10-11 23:40:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-10-11 23:40:27,544 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:27,544 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:27,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 23:40:27,544 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:27,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:27,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1529083590, now seen corresponding path program 1 times [2024-10-11 23:40:27,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:27,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472554388] [2024-10-11 23:40:27,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:27,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:28,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-11 23:40:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:40:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:28,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 23:40:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:28,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:40:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:28,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:28,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472554388] [2024-10-11 23:40:28,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472554388] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:28,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200863255] [2024-10-11 23:40:28,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:28,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:28,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:28,622 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 23:40:28,623 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 23:40:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:29,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-11 23:40:29,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:29,269 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 23:40:29,290 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 23:40:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:30,106 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:30,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200863255] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:30,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:30,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-10-11 23:40:30,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58634589] [2024-10-11 23:40:30,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:30,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:40:30,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:30,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:40:30,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-10-11 23:40:30,108 INFO L87 Difference]: Start difference. First operand 740 states and 1022 transitions. Second operand has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:32,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:32,275 INFO L93 Difference]: Finished difference Result 1425 states and 1962 transitions. [2024-10-11 23:40:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:40:32,277 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 182 [2024-10-11 23:40:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:32,280 INFO L225 Difference]: With dead ends: 1425 [2024-10-11 23:40:32,280 INFO L226 Difference]: Without dead ends: 777 [2024-10-11 23:40:32,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-10-11 23:40:32,282 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 720 mSDsluCounter, 2500 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 3051 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:32,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 3051 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-11 23:40:32,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-10-11 23:40:32,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 772. [2024-10-11 23:40:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 744 states have (on average 1.364247311827957) internal successors, (1015), 757 states have internal predecessors, (1015), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:32,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1059 transitions. [2024-10-11 23:40:32,310 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1059 transitions. Word has length 182 [2024-10-11 23:40:32,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:32,310 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 1059 transitions. [2024-10-11 23:40:32,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.272727272727273) internal successors, (168), 10 states have internal predecessors, (168), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1059 transitions. [2024-10-11 23:40:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-10-11 23:40:32,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:32,313 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:32,335 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 23:40:32,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:32,514 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:32,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:32,515 INFO L85 PathProgramCache]: Analyzing trace with hash 640377503, now seen corresponding path program 1 times [2024-10-11 23:40:32,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:32,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661299987] [2024-10-11 23:40:32,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:32,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:33,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 23:40:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:33,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 23:40:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:33,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 23:40:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:33,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 23:40:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:33,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:33,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661299987] [2024-10-11 23:40:33,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661299987] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:33,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233445052] [2024-10-11 23:40:33,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:33,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:33,128 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 23:40:33,130 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 23:40:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:33,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-11 23:40:33,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:33,776 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:33,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233445052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:33,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:33,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-11 23:40:33,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761110283] [2024-10-11 23:40:33,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:33,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:40:33,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:33,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:40:33,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:33,779 INFO L87 Difference]: Start difference. First operand 772 states and 1059 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:34,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:34,027 INFO L93 Difference]: Finished difference Result 1470 states and 2020 transitions. [2024-10-11 23:40:34,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:40:34,028 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 183 [2024-10-11 23:40:34,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:34,033 INFO L225 Difference]: With dead ends: 1470 [2024-10-11 23:40:34,033 INFO L226 Difference]: Without dead ends: 822 [2024-10-11 23:40:34,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:34,036 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 17 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:34,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1363 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 23:40:34,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-11 23:40:34,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 806. [2024-10-11 23:40:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 806 states, 778 states have (on average 1.3560411311053984) internal successors, (1055), 791 states have internal predecessors, (1055), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1099 transitions. [2024-10-11 23:40:34,060 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1099 transitions. Word has length 183 [2024-10-11 23:40:34,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:34,061 INFO L471 AbstractCegarLoop]: Abstraction has 806 states and 1099 transitions. [2024-10-11 23:40:34,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:34,061 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1099 transitions. [2024-10-11 23:40:34,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-10-11 23:40:34,063 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:34,063 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:34,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 23:40:34,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:34,264 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:34,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:34,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1801326143, now seen corresponding path program 1 times [2024-10-11 23:40:34,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:34,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557890443] [2024-10-11 23:40:34,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:34,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 23:40:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:34,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 23:40:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:34,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-11 23:40:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:40:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:34,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:34,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557890443] [2024-10-11 23:40:34,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557890443] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:34,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:34,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:40:34,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182753756] [2024-10-11 23:40:34,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:34,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:40:34,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:34,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:40:34,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:34,771 INFO L87 Difference]: Start difference. First operand 806 states and 1099 transitions. Second operand has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:35,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:35,533 INFO L93 Difference]: Finished difference Result 1498 states and 2060 transitions. [2024-10-11 23:40:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:40:35,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184 [2024-10-11 23:40:35,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:35,537 INFO L225 Difference]: With dead ends: 1498 [2024-10-11 23:40:35,537 INFO L226 Difference]: Without dead ends: 820 [2024-10-11 23:40:35,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:35,538 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 13 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2044 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:35,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2044 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:40:35,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-10-11 23:40:35,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 814. [2024-10-11 23:40:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 786 states have (on average 1.3549618320610688) internal successors, (1065), 799 states have internal predecessors, (1065), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:35,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1109 transitions. [2024-10-11 23:40:35,561 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1109 transitions. Word has length 184 [2024-10-11 23:40:35,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:35,562 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1109 transitions. [2024-10-11 23:40:35,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.285714285714285) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1109 transitions. [2024-10-11 23:40:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 23:40:35,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:35,564 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:35,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 23:40:35,564 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:35,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:35,565 INFO L85 PathProgramCache]: Analyzing trace with hash 287657752, now seen corresponding path program 1 times [2024-10-11 23:40:35,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:35,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796128574] [2024-10-11 23:40:35,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:35,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:36,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:40:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:40:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 23:40:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:40:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:36,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:36,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796128574] [2024-10-11 23:40:36,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796128574] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:36,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:36,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 23:40:36,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894707966] [2024-10-11 23:40:36,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:36,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:40:36,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:36,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:40:36,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:40:36,045 INFO L87 Difference]: Start difference. First operand 814 states and 1109 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:37,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:37,199 INFO L93 Difference]: Finished difference Result 1513 states and 2080 transitions. [2024-10-11 23:40:37,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:40:37,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 185 [2024-10-11 23:40:37,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:37,206 INFO L225 Difference]: With dead ends: 1513 [2024-10-11 23:40:37,206 INFO L226 Difference]: Without dead ends: 838 [2024-10-11 23:40:37,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:40:37,210 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 17 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2737 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:37,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2737 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 23:40:37,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-10-11 23:40:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 830. [2024-10-11 23:40:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 802 states have (on average 1.355361596009975) internal successors, (1087), 815 states have internal predecessors, (1087), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1131 transitions. [2024-10-11 23:40:37,246 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1131 transitions. Word has length 185 [2024-10-11 23:40:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:37,246 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1131 transitions. [2024-10-11 23:40:37,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 7 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1131 transitions. [2024-10-11 23:40:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-10-11 23:40:37,249 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:37,249 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:37,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 23:40:37,250 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:37,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:37,250 INFO L85 PathProgramCache]: Analyzing trace with hash -581699076, now seen corresponding path program 1 times [2024-10-11 23:40:37,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:37,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536981358] [2024-10-11 23:40:37,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:37,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:38,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:40:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:38,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:40:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 23:40:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:40:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:38,248 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:38,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:38,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536981358] [2024-10-11 23:40:38,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536981358] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:38,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111023204] [2024-10-11 23:40:38,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:38,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:38,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:38,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:40:38,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 23:40:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:38,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 23:40:38,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-11 23:40:39,005 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:39,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111023204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:39,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:39,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2024-10-11 23:40:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921073548] [2024-10-11 23:40:39,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:39,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 23:40:39,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:39,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 23:40:39,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:40:39,007 INFO L87 Difference]: Start difference. First operand 830 states and 1131 transitions. Second operand has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:40:39,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:39,385 INFO L93 Difference]: Finished difference Result 1399 states and 1918 transitions. [2024-10-11 23:40:39,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 23:40:39,386 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 185 [2024-10-11 23:40:39,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:39,391 INFO L225 Difference]: With dead ends: 1399 [2024-10-11 23:40:39,391 INFO L226 Difference]: Without dead ends: 852 [2024-10-11 23:40:39,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:40:39,393 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 25 mSDsluCounter, 2235 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:39,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2740 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:40:39,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2024-10-11 23:40:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 844. [2024-10-11 23:40:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3517156862745099) internal successors, (1103), 829 states have internal predecessors, (1103), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1147 transitions. [2024-10-11 23:40:39,418 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1147 transitions. Word has length 185 [2024-10-11 23:40:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:39,419 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1147 transitions. [2024-10-11 23:40:39,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.22222222222222) internal successors, (173), 9 states have internal predecessors, (173), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:40:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1147 transitions. [2024-10-11 23:40:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-10-11 23:40:39,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:39,421 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:39,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 23:40:39,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-11 23:40:39,622 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:39,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:39,623 INFO L85 PathProgramCache]: Analyzing trace with hash -744111857, now seen corresponding path program 1 times [2024-10-11 23:40:39,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:39,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893079018] [2024-10-11 23:40:39,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:39,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:40,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:40:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:40,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:40:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:40,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 23:40:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:40,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 23:40:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:40,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:40,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893079018] [2024-10-11 23:40:40,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893079018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:40,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:40,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:40:40,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247104207] [2024-10-11 23:40:40,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:40,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:40:40,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:40,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:40:40,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:40,223 INFO L87 Difference]: Start difference. First operand 844 states and 1147 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:40:40,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:40,804 INFO L93 Difference]: Finished difference Result 1395 states and 1915 transitions. [2024-10-11 23:40:40,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:40:40,804 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 186 [2024-10-11 23:40:40,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:40,808 INFO L225 Difference]: With dead ends: 1395 [2024-10-11 23:40:40,808 INFO L226 Difference]: Without dead ends: 842 [2024-10-11 23:40:40,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 23:40:40,809 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 18 mSDsluCounter, 2093 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2602 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:40,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2602 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 23:40:40,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-10-11 23:40:40,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 838. [2024-10-11 23:40:40,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 810 states have (on average 1.3493827160493828) internal successors, (1093), 823 states have internal predecessors, (1093), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:40,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1137 transitions. [2024-10-11 23:40:40,839 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1137 transitions. Word has length 186 [2024-10-11 23:40:40,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:40,840 INFO L471 AbstractCegarLoop]: Abstraction has 838 states and 1137 transitions. [2024-10-11 23:40:40,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:40:40,840 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1137 transitions. [2024-10-11 23:40:40,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-10-11 23:40:40,842 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:40,843 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:40,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 23:40:40,843 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:40,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash -12268873, now seen corresponding path program 1 times [2024-10-11 23:40:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:40,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703622092] [2024-10-11 23:40:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:41,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:40:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:41,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:40:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:41,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 23:40:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:41,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 23:40:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:41,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:41,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703622092] [2024-10-11 23:40:41,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703622092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:41,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:41,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 23:40:41,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398352154] [2024-10-11 23:40:41,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:41,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:40:41,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:41,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:40:41,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:41,321 INFO L87 Difference]: Start difference. First operand 838 states and 1137 transitions. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:40:41,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:41,956 INFO L93 Difference]: Finished difference Result 1394 states and 1912 transitions. [2024-10-11 23:40:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:40:41,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 187 [2024-10-11 23:40:41,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:41,962 INFO L225 Difference]: With dead ends: 1394 [2024-10-11 23:40:41,962 INFO L226 Difference]: Without dead ends: 846 [2024-10-11 23:40:41,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 23:40:41,965 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 13 mSDsluCounter, 1706 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2218 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:41,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2218 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:40:41,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-10-11 23:40:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 844. [2024-10-11 23:40:41,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3468137254901962) internal successors, (1099), 829 states have internal predecessors, (1099), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-11 23:40:41,989 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 187 [2024-10-11 23:40:41,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:41,992 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-11 23:40:41,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 6 states have internal predecessors, (173), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:40:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-11 23:40:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-10-11 23:40:41,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:41,994 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:41,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 23:40:41,994 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:41,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:41,994 INFO L85 PathProgramCache]: Analyzing trace with hash 48980056, now seen corresponding path program 1 times [2024-10-11 23:40:41,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:41,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768380786] [2024-10-11 23:40:41,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:41,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 23:40:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-11 23:40:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:42,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 23:40:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:42,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 23:40:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:42,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:42,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768380786] [2024-10-11 23:40:42,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768380786] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:42,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719552765] [2024-10-11 23:40:42,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:42,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:40:42,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 23:40:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:43,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-11 23:40:43,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:43,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:43,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719552765] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:43,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:43,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-11 23:40:43,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184049999] [2024-10-11 23:40:43,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:43,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:40:43,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:43,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:40:43,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:40:43,772 INFO L87 Difference]: Start difference. First operand 844 states and 1143 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:44,424 INFO L93 Difference]: Finished difference Result 1555 states and 2111 transitions. [2024-10-11 23:40:44,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:40:44,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-10-11 23:40:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:44,429 INFO L225 Difference]: With dead ends: 1555 [2024-10-11 23:40:44,429 INFO L226 Difference]: Without dead ends: 858 [2024-10-11 23:40:44,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:40:44,431 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 12 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:44,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 2420 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 23:40:44,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-10-11 23:40:44,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 844. [2024-10-11 23:40:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 816 states have (on average 1.3468137254901962) internal successors, (1099), 829 states have internal predecessors, (1099), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1143 transitions. [2024-10-11 23:40:44,457 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1143 transitions. Word has length 188 [2024-10-11 23:40:44,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:44,458 INFO L471 AbstractCegarLoop]: Abstraction has 844 states and 1143 transitions. [2024-10-11 23:40:44,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:44,458 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1143 transitions. [2024-10-11 23:40:44,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 23:40:44,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:44,460 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:44,481 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 23:40:44,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:44,661 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:44,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:44,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1624898047, now seen corresponding path program 1 times [2024-10-11 23:40:44,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:44,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900626733] [2024-10-11 23:40:44,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:44,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:45,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 23:40:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 23:40:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 23:40:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:45,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 23:40:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:45,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900626733] [2024-10-11 23:40:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900626733] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:45,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:45,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 23:40:45,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599896137] [2024-10-11 23:40:45,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:45,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:40:45,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:45,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:40:45,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:40:45,223 INFO L87 Difference]: Start difference. First operand 844 states and 1143 transitions. Second operand has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:46,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:46,133 INFO L93 Difference]: Finished difference Result 1564 states and 2131 transitions. [2024-10-11 23:40:46,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:40:46,134 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-11 23:40:46,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:46,138 INFO L225 Difference]: With dead ends: 1564 [2024-10-11 23:40:46,138 INFO L226 Difference]: Without dead ends: 872 [2024-10-11 23:40:46,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:40:46,140 INFO L432 NwaCegarLoop]: 501 mSDtfsCounter, 25 mSDsluCounter, 2383 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:46,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2884 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 23:40:46,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2024-10-11 23:40:46,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 858. [2024-10-11 23:40:46,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 830 states have (on average 1.3457831325301204) internal successors, (1117), 843 states have internal predecessors, (1117), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1161 transitions. [2024-10-11 23:40:46,171 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1161 transitions. Word has length 189 [2024-10-11 23:40:46,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:46,172 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1161 transitions. [2024-10-11 23:40:46,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.5) internal successors, (175), 9 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1161 transitions. [2024-10-11 23:40:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-10-11 23:40:46,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:46,174 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:46,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 23:40:46,174 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:46,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:46,175 INFO L85 PathProgramCache]: Analyzing trace with hash -835677469, now seen corresponding path program 1 times [2024-10-11 23:40:46,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:46,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989116014] [2024-10-11 23:40:46,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:46,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:46,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 23:40:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:46,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 23:40:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:46,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 23:40:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 23:40:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:46,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:46,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989116014] [2024-10-11 23:40:46,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989116014] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:46,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097505639] [2024-10-11 23:40:46,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:46,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:46,893 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 23:40:46,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 23:40:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:47,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-11 23:40:47,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:47,683 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:47,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097505639] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:47,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:47,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-10-11 23:40:47,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173072789] [2024-10-11 23:40:47,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:47,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 23:40:47,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:47,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 23:40:47,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:40:47,685 INFO L87 Difference]: Start difference. First operand 858 states and 1161 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:48,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:48,423 INFO L93 Difference]: Finished difference Result 1583 states and 2144 transitions. [2024-10-11 23:40:48,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:40:48,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-10-11 23:40:48,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:48,428 INFO L225 Difference]: With dead ends: 1583 [2024-10-11 23:40:48,429 INFO L226 Difference]: Without dead ends: 884 [2024-10-11 23:40:48,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:40:48,431 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 17 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:48,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2492 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:40:48,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-10-11 23:40:48,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 868. [2024-10-11 23:40:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 840 states have (on average 1.3440476190476192) internal successors, (1129), 853 states have internal predecessors, (1129), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1173 transitions. [2024-10-11 23:40:48,457 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1173 transitions. Word has length 189 [2024-10-11 23:40:48,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:48,458 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1173 transitions. [2024-10-11 23:40:48,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 8 states have internal predecessors, (175), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1173 transitions. [2024-10-11 23:40:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:40:48,459 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:48,459 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:48,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 23:40:48,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 23:40:48,660 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:48,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:48,661 INFO L85 PathProgramCache]: Analyzing trace with hash -756984952, now seen corresponding path program 1 times [2024-10-11 23:40:48,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:48,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375105491] [2024-10-11 23:40:48,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:48,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:49,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:40:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:49,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:40:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:49,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:40:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:40:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:49,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:49,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375105491] [2024-10-11 23:40:49,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375105491] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:49,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 23:40:49,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 23:40:49,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685742527] [2024-10-11 23:40:49,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:49,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:40:49,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:49,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:40:49,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:40:49,276 INFO L87 Difference]: Start difference. First operand 868 states and 1173 transitions. Second operand has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:50,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:50,292 INFO L93 Difference]: Finished difference Result 1597 states and 2174 transitions. [2024-10-11 23:40:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:40:50,293 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:40:50,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:50,297 INFO L225 Difference]: With dead ends: 1597 [2024-10-11 23:40:50,297 INFO L226 Difference]: Without dead ends: 888 [2024-10-11 23:40:50,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:40:50,299 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 31 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3540 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:50,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3540 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 23:40:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-10-11 23:40:50,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 874. [2024-10-11 23:40:50,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 846 states have (on average 1.3416075650118204) internal successors, (1135), 859 states have internal predecessors, (1135), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1179 transitions. [2024-10-11 23:40:50,332 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1179 transitions. Word has length 190 [2024-10-11 23:40:50,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:50,333 INFO L471 AbstractCegarLoop]: Abstraction has 874 states and 1179 transitions. [2024-10-11 23:40:50,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.0) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1179 transitions. [2024-10-11 23:40:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:40:50,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:50,335 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:50,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 23:40:50,336 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:50,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:50,336 INFO L85 PathProgramCache]: Analyzing trace with hash 274585380, now seen corresponding path program 1 times [2024-10-11 23:40:50,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:50,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088779160] [2024-10-11 23:40:50,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:50,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:51,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:40:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:51,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:40:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:51,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:40:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:51,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:40:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:51,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:51,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088779160] [2024-10-11 23:40:51,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088779160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:51,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709124669] [2024-10-11 23:40:51,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:51,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:51,088 INFO L229 MonitoredProcess]: Starting monitored process 8 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 23:40:51,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 23:40:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:52,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-11 23:40:52,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:52,590 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:52,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709124669] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:52,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:52,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-10-11 23:40:52,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735456695] [2024-10-11 23:40:52,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:52,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 23:40:52,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:52,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 23:40:52,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:40:52,593 INFO L87 Difference]: Start difference. First operand 874 states and 1179 transitions. Second operand has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:53,961 INFO L93 Difference]: Finished difference Result 1610 states and 2180 transitions. [2024-10-11 23:40:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 23:40:53,962 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:40:53,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:53,966 INFO L225 Difference]: With dead ends: 1610 [2024-10-11 23:40:53,966 INFO L226 Difference]: Without dead ends: 898 [2024-10-11 23:40:53,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-10-11 23:40:53,968 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 17 mSDsluCounter, 3048 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:53,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3560 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 23:40:53,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-10-11 23:40:53,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 888. [2024-10-11 23:40:53,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 860 states have (on average 1.3406976744186045) internal successors, (1153), 873 states have internal predecessors, (1153), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1197 transitions. [2024-10-11 23:40:53,992 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1197 transitions. Word has length 190 [2024-10-11 23:40:53,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:53,993 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1197 transitions. [2024-10-11 23:40:53,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.6) internal successors, (176), 10 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:53,993 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1197 transitions. [2024-10-11 23:40:53,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:40:53,994 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:53,995 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:54,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-11 23:40:54,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:54,196 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:54,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:54,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1025843548, now seen corresponding path program 1 times [2024-10-11 23:40:54,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:54,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737724154] [2024-10-11 23:40:54,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:54,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:40:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:54,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:40:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:54,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:40:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:54,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:40:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:54,923 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:54,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:54,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737724154] [2024-10-11 23:40:54,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737724154] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:54,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603370821] [2024-10-11 23:40:54,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:54,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:54,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:54,925 INFO L229 MonitoredProcess]: Starting monitored process 9 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 23:40:54,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 23:40:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:55,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 23:40:55,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:55,678 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:55,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603370821] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:55,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:55,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-11 23:40:55,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200314219] [2024-10-11 23:40:55,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:55,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:40:55,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:55,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:40:55,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:40:55,679 INFO L87 Difference]: Start difference. First operand 888 states and 1197 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:56,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:56,054 INFO L93 Difference]: Finished difference Result 1630 states and 2204 transitions. [2024-10-11 23:40:56,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 23:40:56,054 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:40:56,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:56,058 INFO L225 Difference]: With dead ends: 1630 [2024-10-11 23:40:56,058 INFO L226 Difference]: Without dead ends: 916 [2024-10-11 23:40:56,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 23:40:56,060 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 40 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:56,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 2505 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 23:40:56,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2024-10-11 23:40:56,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 902. [2024-10-11 23:40:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 874 states have (on average 1.3421052631578947) internal successors, (1173), 887 states have internal predecessors, (1173), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-11 23:40:56,082 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-11 23:40:56,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:56,082 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-11 23:40:56,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:56,083 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-11 23:40:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-11 23:40:56,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:56,084 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:56,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 23:40:56,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 23:40:56,285 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:56,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:56,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1510072253, now seen corresponding path program 1 times [2024-10-11 23:40:56,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:56,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722373250] [2024-10-11 23:40:56,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:56,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:56,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 23:40:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:56,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-11 23:40:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:56,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 23:40:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:56,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 23:40:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:56,900 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:56,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722373250] [2024-10-11 23:40:56,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722373250] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865330851] [2024-10-11 23:40:56,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:56,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:56,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:56,903 INFO L229 MonitoredProcess]: Starting monitored process 10 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 23:40:56,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 23:40:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:57,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-11 23:40:57,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:40:57,940 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-11 23:40:57,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:40:57,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865330851] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:40:57,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:40:57,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-10-11 23:40:57,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933576073] [2024-10-11 23:40:57,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:40:57,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 23:40:57,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:40:57,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 23:40:57,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:40:57,943 INFO L87 Difference]: Start difference. First operand 902 states and 1217 transitions. Second operand has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:58,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:40:58,631 INFO L93 Difference]: Finished difference Result 1638 states and 2216 transitions. [2024-10-11 23:40:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 23:40:58,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-10-11 23:40:58,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:40:58,637 INFO L225 Difference]: With dead ends: 1638 [2024-10-11 23:40:58,637 INFO L226 Difference]: Without dead ends: 912 [2024-10-11 23:40:58,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 23:40:58,639 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 10 mSDsluCounter, 1909 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 2420 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 23:40:58,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 2420 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 23:40:58,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-10-11 23:40:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 902. [2024-10-11 23:40:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 902 states, 874 states have (on average 1.3421052631578947) internal successors, (1173), 887 states have internal predecessors, (1173), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-11 23:40:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1217 transitions. [2024-10-11 23:40:58,674 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1217 transitions. Word has length 190 [2024-10-11 23:40:58,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:40:58,675 INFO L471 AbstractCegarLoop]: Abstraction has 902 states and 1217 transitions. [2024-10-11 23:40:58,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.142857142857142) internal successors, (176), 7 states have internal predecessors, (176), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:40:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1217 transitions. [2024-10-11 23:40:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-11 23:40:58,677 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:40:58,677 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:40:58,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 23:40:58,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:58,878 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:40:58,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:40:58,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1388606590, now seen corresponding path program 1 times [2024-10-11 23:40:58,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:40:58,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533966014] [2024-10-11 23:40:58,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:58,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:40:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:59,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:40:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:59,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 23:40:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:59,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 23:40:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:59,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 23:40:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:40:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-11 23:40:59,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:40:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533966014] [2024-10-11 23:40:59,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533966014] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:40:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598075374] [2024-10-11 23:40:59,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:40:59,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:40:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:40:59,504 INFO L229 MonitoredProcess]: Starting monitored process 11 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 23:40:59,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 23:41:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:00,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:41:00,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 23:41:00,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:41:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598075374] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:00,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:41:00,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-10-11 23:41:00,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038185813] [2024-10-11 23:41:00,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:00,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 23:41:00,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:00,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 23:41:00,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:41:00,297 INFO L87 Difference]: Start difference. First operand 902 states and 1217 transitions. Second operand has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:41:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:00,364 INFO L93 Difference]: Finished difference Result 1590 states and 2155 transitions. [2024-10-11 23:41:00,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 23:41:00,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 191 [2024-10-11 23:41:00,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:00,370 INFO L225 Difference]: With dead ends: 1590 [2024-10-11 23:41:00,371 INFO L226 Difference]: Without dead ends: 904 [2024-10-11 23:41:00,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 23:41:00,373 INFO L432 NwaCegarLoop]: 522 mSDtfsCounter, 0 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:00,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1559 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 23:41:00,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-10-11 23:41:00,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 904. [2024-10-11 23:41:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 904 states, 875 states have (on average 1.3428571428571427) internal successors, (1175), 889 states have internal predecessors, (1175), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:41:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1223 transitions. [2024-10-11 23:41:00,396 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1223 transitions. Word has length 191 [2024-10-11 23:41:00,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:00,397 INFO L471 AbstractCegarLoop]: Abstraction has 904 states and 1223 transitions. [2024-10-11 23:41:00,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 60.333333333333336) internal successors, (181), 4 states have internal predecessors, (181), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-11 23:41:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1223 transitions. [2024-10-11 23:41:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-11 23:41:00,398 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:00,398 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:41:00,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-11 23:41:00,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-11 23:41:00,599 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:41:00,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:00,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1657227010, now seen corresponding path program 1 times [2024-10-11 23:41:00,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:00,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807745633] [2024-10-11 23:41:00,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:00,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:01,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:41:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:01,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 23:41:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:01,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 23:41:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:01,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 23:41:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:01,753 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 23:41:01,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:01,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807745633] [2024-10-11 23:41:01,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807745633] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:41:01,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019255054] [2024-10-11 23:41:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:01,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:01,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:01,756 INFO L229 MonitoredProcess]: Starting monitored process 12 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 23:41:01,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 23:41:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:02,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 23:41:02,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-11 23:41:02,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:41:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-11 23:41:02,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019255054] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:41:02,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:41:02,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-10-11 23:41:02,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028376137] [2024-10-11 23:41:02,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:41:02,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:41:02,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:02,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:41:02,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-11 23:41:02,696 INFO L87 Difference]: Start difference. First operand 904 states and 1223 transitions. Second operand has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:41:03,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:03,188 INFO L93 Difference]: Finished difference Result 1601 states and 2182 transitions. [2024-10-11 23:41:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 23:41:03,189 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 195 [2024-10-11 23:41:03,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:03,192 INFO L225 Difference]: With dead ends: 1601 [2024-10-11 23:41:03,192 INFO L226 Difference]: Without dead ends: 913 [2024-10-11 23:41:03,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-10-11 23:41:03,194 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 9 mSDsluCounter, 3426 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3944 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:03,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3944 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 23:41:03,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-10-11 23:41:03,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 912. [2024-10-11 23:41:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 882 states have (on average 1.346938775510204) internal successors, (1188), 896 states have internal predecessors, (1188), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:41:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1236 transitions. [2024-10-11 23:41:03,217 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1236 transitions. Word has length 195 [2024-10-11 23:41:03,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:03,217 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1236 transitions. [2024-10-11 23:41:03,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 23.875) internal successors, (191), 10 states have internal predecessors, (191), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:41:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1236 transitions. [2024-10-11 23:41:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-11 23:41:03,219 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:03,219 INFO L215 NwaCegarLoop]: trace histogram [12, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:41:03,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 23:41:03,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-11 23:41:03,420 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:41:03,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:03,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2060618622, now seen corresponding path program 2 times [2024-10-11 23:41:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:03,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636716734] [2024-10-11 23:41:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:04,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:41:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:04,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 23:41:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:04,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 23:41:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:04,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 23:41:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 68 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 23:41:04,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:04,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636716734] [2024-10-11 23:41:04,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636716734] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:41:04,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468438343] [2024-10-11 23:41:04,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 23:41:04,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:04,609 INFO L229 MonitoredProcess]: Starting monitored process 13 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 23:41:04,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 23:41:05,662 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 23:41:05,663 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:41:05,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-11 23:41:05,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 66 proven. 10 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-11 23:41:05,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 23:41:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 5 proven. 67 refuted. 1 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 23:41:09,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468438343] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 23:41:09,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 23:41:09,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-10-11 23:41:09,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994701093] [2024-10-11 23:41:09,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 23:41:09,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-10-11 23:41:09,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:09,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-10-11 23:41:09,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=309, Unknown=1, NotChecked=0, Total=420 [2024-10-11 23:41:09,959 INFO L87 Difference]: Start difference. First operand 912 states and 1236 transitions. Second operand has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:41:11,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:11,079 INFO L93 Difference]: Finished difference Result 1573 states and 2156 transitions. [2024-10-11 23:41:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 23:41:11,080 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 203 [2024-10-11 23:41:11,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:11,085 INFO L225 Difference]: With dead ends: 1573 [2024-10-11 23:41:11,085 INFO L226 Difference]: Without dead ends: 741 [2024-10-11 23:41:11,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=287, Invalid=704, Unknown=1, NotChecked=0, Total=992 [2024-10-11 23:41:11,088 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 36 mSDsluCounter, 5270 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 5699 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:11,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 5699 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 23:41:11,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-10-11 23:41:11,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 739. [2024-10-11 23:41:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 709 states have (on average 1.315937940761636) internal successors, (933), 723 states have internal predecessors, (933), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:41:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 981 transitions. [2024-10-11 23:41:11,113 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 981 transitions. Word has length 203 [2024-10-11 23:41:11,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:11,113 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 981 transitions. [2024-10-11 23:41:11,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 11.222222222222221) internal successors, (202), 20 states have internal predecessors, (202), 2 states have call successors, (11), 3 states have call predecessors, (11), 5 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-11 23:41:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 981 transitions. [2024-10-11 23:41:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-11 23:41:11,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:11,115 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:41:11,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 23:41:11,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-11 23:41:11,318 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:41:11,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:11,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1624018974, now seen corresponding path program 3 times [2024-10-11 23:41:11,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:11,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877743837] [2024-10-11 23:41:11,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:11,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:12,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:41:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 23:41:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:12,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 23:41:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:12,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 23:41:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-11 23:41:12,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:12,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877743837] [2024-10-11 23:41:12,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877743837] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:41:12,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62575036] [2024-10-11 23:41:12,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 23:41:12,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:12,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:12,743 INFO L229 MonitoredProcess]: Starting monitored process 14 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 23:41:12,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-11 23:41:14,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-11 23:41:14,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 23:41:14,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 23:41:14,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:14,306 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 23:41:14,328 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 23:41:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-10-11 23:41:15,082 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 23:41:15,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62575036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 23:41:15,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 23:41:15,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 24 [2024-10-11 23:41:15,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112124611] [2024-10-11 23:41:15,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 23:41:15,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 23:41:15,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 23:41:15,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 23:41:15,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-10-11 23:41:15,083 INFO L87 Difference]: Start difference. First operand 739 states and 981 transitions. Second operand has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:41:16,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 23:41:16,602 INFO L93 Difference]: Finished difference Result 1392 states and 1857 transitions. [2024-10-11 23:41:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 23:41:16,604 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 221 [2024-10-11 23:41:16,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 23:41:16,608 INFO L225 Difference]: With dead ends: 1392 [2024-10-11 23:41:16,609 INFO L226 Difference]: Without dead ends: 728 [2024-10-11 23:41:16,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=130, Invalid=862, Unknown=0, NotChecked=0, Total=992 [2024-10-11 23:41:16,611 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 487 mSDsluCounter, 2278 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-11 23:41:16,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2753 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-11 23:41:16,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2024-10-11 23:41:16,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 726. [2024-10-11 23:41:16,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 696 states have (on average 1.3175287356321839) internal successors, (917), 710 states have internal predecessors, (917), 22 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2024-10-11 23:41:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 965 transitions. [2024-10-11 23:41:16,635 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 965 transitions. Word has length 221 [2024-10-11 23:41:16,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 23:41:16,636 INFO L471 AbstractCegarLoop]: Abstraction has 726 states and 965 transitions. [2024-10-11 23:41:16,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 16.181818181818183) internal successors, (178), 10 states have internal predecessors, (178), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-11 23:41:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 965 transitions. [2024-10-11 23:41:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-11 23:41:16,637 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 23:41:16,637 INFO L215 NwaCegarLoop]: trace histogram [30, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 23:41:16,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-11 23:41:16,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-11 23:41:16,838 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 23:41:16,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 23:41:16,838 INFO L85 PathProgramCache]: Analyzing trace with hash 568760578, now seen corresponding path program 1 times [2024-10-11 23:41:16,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 23:41:16,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712178312] [2024-10-11 23:41:16,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:16,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 23:41:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:18,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 23:41:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:18,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 23:41:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:18,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-11 23:41:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 23:41:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:18,457 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 5 proven. 311 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2024-10-11 23:41:18,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 23:41:18,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712178312] [2024-10-11 23:41:18,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712178312] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 23:41:18,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757139502] [2024-10-11 23:41:18,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 23:41:18,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 23:41:18,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 23:41:18,459 INFO L229 MonitoredProcess]: Starting monitored process 15 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 23:41:18,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-11 23:41:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 23:41:19,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 220 conjuncts are in the unsatisfiable core [2024-10-11 23:41:19,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 23:41:19,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-11 23:41:19,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 23:41:19,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-10-11 23:41:20,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 21 [2024-10-11 23:41:20,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-10-11 23:41:20,382 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-10-11 23:41:20,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-10-11 23:41:20,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-10-11 23:41:20,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 23:41:20,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-10-11 23:41:20,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-11 23:41:20,987 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-10-11 23:41:20,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-10-11 23:41:21,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 16